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Description Network Engineer Location: Farnborough, with flexibility to work from home and regular travel to UK customer and operational sites Role Overview We are looking for an experienced Network Engineer to support and evolve secure, business‑critical network services within UK government and defence environments. This is a service‑based role, working across 1st to 4th line support teams, with the opportunity to contribute to project and change activities alongside live service operations. The role offers a hybrid working model, combining remote working with on‑site presence at secure customer locations where required. What will I be doing? • Lead network management and service acceptance activities, setting technical standards and providing subject‑matter expertise to programme and delivery teams., • Design, validate, and assure network solutions using formal verification and validation principles in secure environments., • Produce and maintain high‑quality technical documentation, including HLDs, LLDs, work instructions, and operational procedures., • Support the operation and continuous improvement of live network services, ensuring availability, resilience, and compliance., • Take ownership of complex incidents, driving investigation and resolution through to successful closure., • Communicate effectively across technical, organisational, and customer boundaries, including within regulated and security‑constrained environments., • Participate in an on‑call support rota following an initial onboarding and handover period. What technical skills does Leidos need from me? • Strong, demonstrable experience with data centre and campus networking technologies, including:, • Cisco (routers, switches, firewalls), • Fortinet firewalls, • Palo Alto firewalls, • Juniper (routers, switches, firewalls), • F5 / Citrix, • In‑depth understanding of network protocols, including:, • Routing: OSPF, BGP, EIGRP, Static, • Switching: VLAN / 802.1Q, (R/M)STP, Port Security, Layer 3 switching, LACP / EtherChannel, • VPLS, VPN, PKI, and load balancing, • Experience implementing and supporting AAA services, including TACACS+, within secure or regulated environments., • Proven experience operating high‑availability data centre networks., • Hands‑on experience with monitoring and management tooling such as SolarWinds, PRTG, and Panorama., • Good working knowledge of Windows Server environments, including Active Directory, DNS, and DHCP. Desirable Skills and Experience • Experience working with AWS networking services in secure or regulated environments, including hybrid on‑prem to cloud connectivity., • Exposure to cloud‑integrated or hybrid network architectures. Required Personal Skills • Excellent documentation skills, with the ability to produce clear, accurate, and auditable technical artefacts suitable for secure environments., • Self‑starter mentality, able to work independently, take ownership of tasks, and proactively identify and resolve issues., • Strong analytical and problem‑solving capability, with the ability to manage complex technical issues in secure environments., • Excellent written and verbal communication skills., • High levels of organisation, ownership, and attention to detail., • Ability to work confidently in customer‑facing roles and within security‑restricted sites. Security Clearance Requirements • This role requires UK Security Check (SC) clearance or the ability to obtain it., • Candidates must be UK nationals and have appropriate UK residency history to meet security vetting requirements., • The role involves working on secure customer sites, where on‑site attendance is mandatory. What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • Contributory Pension Scheme, • Private Medical Insurance, • 33 days Annual Leave (including public and privilege holidays), • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme), • Flexi-Time Working Commitment to Diversity: We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs. Who We Are: ___– we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation. What Makes Us Different: Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change. Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours. People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. £44,700.00-£57,300.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit ___. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at ___. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at ___. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the ___. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Network Engineer Location: Farnborough, with flexibility to work from home and regular travel to UK customer and operational sites Role Overview We are looking for an experienced Network Engineer to support and evolve secure, business‑critical network services within UK government and defence environments. This is a service‑based role, working across 1st to 4th line support teams, with the opportunity to contribute to project and change activities alongside live service operations. The role offers a hybrid working model, combining remote working with on‑site presence at secure customer locations where required. What will I be doing? • Lead network management and service acceptance activities, setting technical standards and providing subject‑matter expertise to programme and delivery teams., • Design, validate, and assure network solutions using formal verification and validation principles in secure environments., • Produce and maintain high‑quality technical documentation, including HLDs, LLDs, work instructions, and operational procedures., • Support the operation and continuous improvement of live network services, ensuring availability, resilience, and compliance., • Take ownership of complex incidents, driving investigation and resolution through to successful closure., • Communicate effectively across technical, organisational, and customer boundaries, including within regulated and security‑constrained environments., • Participate in an on‑call support rota following an initial onboarding and handover period. What technical skills does Leidos need from me? • Strong, demonstrable experience with data centre and campus networking technologies, including:, • Cisco (routers, switches, firewalls), • Fortinet firewalls, • Palo Alto firewalls, • Juniper (routers, switches, firewalls), • F5 / Citrix, • In‑depth understanding of network protocols, including:, • Routing: OSPF, BGP, EIGRP, Static, • Switching: VLAN / 802.1Q, (R/M)STP, Port Security, Layer 3 switching, LACP / EtherChannel, • VPLS, VPN, PKI, and load balancing, • Experience implementing and supporting AAA services, including TACACS+, within secure or regulated environments., • Proven experience operating high‑availability data centre networks., • Hands‑on experience with monitoring and management tooling such as SolarWinds, PRTG, and Panorama., • Good working knowledge of Windows Server environments, including Active Directory, DNS, and DHCP. Desirable Skills and Experience • Experience working with AWS networking services in secure or regulated environments, including hybrid on‑prem to cloud connectivity., • Exposure to cloud‑integrated or hybrid network architectures. Required Personal Skills • Excellent documentation skills, with the ability to produce clear, accurate, and auditable technical artefacts suitable for secure environments., • Self‑starter mentality, able to work independently, take ownership of tasks, and proactively identify and resolve issues., • Strong analytical and problem‑solving capability, with the ability to manage complex technical issues in secure environments., • Excellent written and verbal communication skills., • High levels of organisation, ownership, and attention to detail., • Ability to work confidently in customer‑facing roles and within security‑restricted sites. Security Clearance Requirements • This role requires UK Security Check (SC) clearance or the ability to obtain it., • Candidates must be UK nationals and have appropriate UK residency history to meet security vetting requirements., • The role involves working on secure customer sites, where on‑site attendance is mandatory. What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • Contributory Pension Scheme, • Private Medical Insurance, • 33 days Annual Leave (including public and privilege holidays), • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme), • Flexi-Time Working Commitment to Diversity: We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs. Who We Are: ___– we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation. What Makes Us Different: Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change. Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours. People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. £44,700.00-£57,300.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit ___. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at ___. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at ___. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the ___. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Network Engineer Location: Farnborough, with flexibility to work from home and regular travel to UK customer and operational sites Role Overview We are looking for an experienced Network Engineer to support and evolve secure, business‑critical network services within UK government and defence environments. This is a service‑based role, working across 1st to 4th line support teams, with the opportunity to contribute to project and change activities alongside live service operations. The role offers a hybrid working model, combining remote working with on‑site presence at secure customer locations where required. What will I be doing? • Lead network management and service acceptance activities, setting technical standards and providing subject‑matter expertise to programme and delivery teams., • Design, validate, and assure network solutions using formal verification and validation principles in secure environments., • Produce and maintain high‑quality technical documentation, including HLDs, LLDs, work instructions, and operational procedures., • Support the operation and continuous improvement of live network services, ensuring availability, resilience, and compliance., • Take ownership of complex incidents, driving investigation and resolution through to successful closure., • Communicate effectively across technical, organisational, and customer boundaries, including within regulated and security‑constrained environments., • Participate in an on‑call support rota following an initial onboarding and handover period. What technical skills does Leidos need from me? • Strong, demonstrable experience with data centre and campus networking technologies, including:, • Cisco (routers, switches, firewalls), • Fortinet firewalls, • Palo Alto firewalls, • Juniper (routers, switches, firewalls), • F5 / Citrix, • In‑depth understanding of network protocols, including:, • Routing: OSPF, BGP, EIGRP, Static, • Switching: VLAN / 802.1Q, (R/M)STP, Port Security, Layer 3 switching, LACP / EtherChannel, • VPLS, VPN, PKI, and load balancing, • Experience implementing and supporting AAA services, including TACACS+, within secure or regulated environments., • Proven experience operating high‑availability data centre networks., • Hands‑on experience with monitoring and management tooling such as SolarWinds, PRTG, and Panorama., • Good working knowledge of Windows Server environments, including Active Directory, DNS, and DHCP. Desirable Skills and Experience • Experience working with AWS networking services in secure or regulated environments, including hybrid on‑prem to cloud connectivity., • Exposure to cloud‑integrated or hybrid network architectures. Required Personal Skills • Excellent documentation skills, with the ability to produce clear, accurate, and auditable technical artefacts suitable for secure environments., • Self‑starter mentality, able to work independently, take ownership of tasks, and proactively identify and resolve issues., • Strong analytical and problem‑solving capability, with the ability to manage complex technical issues in secure environments., • Excellent written and verbal communication skills., • High levels of organisation, ownership, and attention to detail., • Ability to work confidently in customer‑facing roles and within security‑restricted sites. Security Clearance Requirements • This role requires UK Security Check (SC) clearance or the ability to obtain it., • Candidates must be UK nationals and have appropriate UK residency history to meet security vetting requirements., • The role involves working on secure customer sites, where on‑site attendance is mandatory. What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • Contributory Pension Scheme, • Private Medical Insurance, • 33 days Annual Leave (including public and privilege holidays), • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme), • Flexi-Time Working Commitment to Diversity: We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs. Who We Are: ___– we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation. What Makes Us Different: Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change. Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours. People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. £44,700.00-£57,300.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit ___. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at ___. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at ___. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the ___. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Description Network Engineer Location: Farnborough, with flexibility to work from home and regular travel to UK customer and operational sites Role Overview We are looking for an experienced Network Engineer to support and evolve secure, business‑critical network services within UK government and defence environments. This is a service‑based role, working across 1st to 4th line support teams, with the opportunity to contribute to project and change activities alongside live service operations. The role offers a hybrid working model, combining remote working with on‑site presence at secure customer locations where required. What will I be doing? • Lead network management and service acceptance activities, setting technical standards and providing subject‑matter expertise to programme and delivery teams., • Design, validate, and assure network solutions using formal verification and validation principles in secure environments., • Produce and maintain high‑quality technical documentation, including HLDs, LLDs, work instructions, and operational procedures., • Support the operation and continuous improvement of live network services, ensuring availability, resilience, and compliance., • Take ownership of complex incidents, driving investigation and resolution through to successful closure., • Communicate effectively across technical, organisational, and customer boundaries, including within regulated and security‑constrained environments., • Participate in an on‑call support rota following an initial onboarding and handover period. What technical skills does Leidos need from me? • Strong, demonstrable experience with data centre and campus networking technologies, including:, • Cisco (routers, switches, firewalls), • Fortinet firewalls, • Palo Alto firewalls, • Juniper (routers, switches, firewalls), • F5 / Citrix, • In‑depth understanding of network protocols, including:, • Routing: OSPF, BGP, EIGRP, Static, • Switching: VLAN / 802.1Q, (R/M)STP, Port Security, Layer 3 switching, LACP / EtherChannel, • VPLS, VPN, PKI, and load balancing, • Experience implementing and supporting AAA services, including TACACS+, within secure or regulated environments., • Proven experience operating high‑availability data centre networks., • Hands‑on experience with monitoring and management tooling such as SolarWinds, PRTG, and Panorama., • Good working knowledge of Windows Server environments, including Active Directory, DNS, and DHCP. Desirable Skills and Experience • Experience working with AWS networking services in secure or regulated environments, including hybrid on‑prem to cloud connectivity., • Exposure to cloud‑integrated or hybrid network architectures. Required Personal Skills • Excellent documentation skills, with the ability to produce clear, accurate, and auditable technical artefacts suitable for secure environments., • Self‑starter mentality, able to work independently, take ownership of tasks, and proactively identify and resolve issues., • Strong analytical and problem‑solving capability, with the ability to manage complex technical issues in secure environments., • Excellent written and verbal communication skills., • High levels of organisation, ownership, and attention to detail., • Ability to work confidently in customer‑facing roles and within security‑restricted sites. Security Clearance Requirements • This role requires UK Security Check (SC) clearance or the ability to obtain it., • Candidates must be UK nationals and have appropriate UK residency history to meet security vetting requirements., • The role involves working on secure customer sites, where on‑site attendance is mandatory. What we do for you: At Leidos we are PASSIONATE about customer success, UNITED as a team and INSPIRED to make a difference. We offer meaningful and engaging careers, a collaborative culture, and support for your career goals, all while nurturing a healthy work-life balance. We provide an employment package that attracts, develops and retains only the best in talent. Our reward scheme includes: • Contributory Pension Scheme, • Private Medical Insurance, • 33 days Annual Leave (including public and privilege holidays), • Access to Flexible benefits (including life assurance, health schemes, gym memberships, annual buy and sell holidays and a cycle to work scheme), • Flexi-Time Working Commitment to Diversity: We welcome applications from every part of the community and are committed to a truly diverse and inclusive culture. We foster a sense of belonging, welcoming all perspectives and contributions, and providing equal access to opportunities and resources for everyone. If you have a disability or need any reasonable adjustments during the application and selection stages please let us know, and we will respond in a way that best fits your needs. Who We Are: ___– we work to make the world safer, healthier, and more efficient through technology, engineering and science. Leidos is a growing company delivering innovative technology and solutions focused on safeguarding critical capabilities and transformation in frontline services, our work in the United Kingdom includes addressing some of the most complex problems in defence, healthcare, government, safety and security, and transportation. What Makes Us Different: Purpose: you can use your passion and abilities at Leidos to keep the people you care about safe. We are at the forefront of machine learning, AI, cyber security and solutions. Using your skills in the technology frontline by helping to build a safer world. You can inspire change. Collaboration: having flexibility to do your job is one of our core benefits, enabling you to become part of our extraordinary team. We have been empowering our people to work flexibly for years. Whether you work from home, the office or on customer sites, we will give you the digital tools and the flexibility to work smarter and align your needs and ours. People: Leidos empowers people from every background to be themselves and gives you the tools to learn new skills by enabling growth whilst developing. We believe that extraordinary people need opportunities to grow, to be inspired and to inspire others. At Leidos, we invest in technical academies, career rotations and a career development plans that enhance your future. If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above. £44,700.00-£57,300.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. About Leidos Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit ___. Pay and Benefits Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at ___. Securing Your Data Beware of fake employment opportunities using Leidos’ name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the Leidos.com automated system – never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, Telegram, etc. If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at ___. If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the ___. Commitment to Non-Discrimination All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

Sanderson Government & Defence. Network Engineer (Cisco & VMware) - SC Cleared.

Position: Network Engineer Location: Wokingham (3 days onsite, 2 days from home) Day Rate: £460 p.d inside IR35 SC Clearance Required We're supporting a central government department seeking an experienced Network Engineer to deliver secure, reliable network services across a complex environment. Role Overview: • Design, configure, and deploy LAN/WAN/WLAN/VPN solutions., • Monitor and optimise network performance., • Implement and maintain firewalls, IDS/IPS, and access controls., • Maintain accurate network documentation and diagrams., • Collaborate with IT teams and vendors on infrastructure projects., • Perform hardware/software upgrades and patching., • Strong knowledge of TCP/IP, DNS, DHCP, VLANs, OSPF, BGP., • Experience with Cisco, Juniper, or similar network hardware., • Familiarity with firewalls and security appliances., • Experience with monitoring tools (SolarWinds, Nagios)., • Cloud networking exposure (AWS/Azure) is a plus. Reasonable Adjustments: Respect and equality are core values to us. We are proud of the diverse an...

Network Engineer (Gigamon or Juniper or Cisco) - Must hold an Active SC Clearance. A Network Engineer with Gigamon expertise to join a highly skilled team delivering a major cyber roll-out for a large government client. This is a hands-on role working on a secure site, requiring strong technical ski

A leading security and technology firm in Farnborough is seeking a Lead Network Engineer to provide hands-on technical leadership and improve complex services in the Defence and National Security sector. Applicants should have advanced knowledge of Cisco networking technologies, leadership skills fo

The role involves designing and implementing robust network architectures and requires expertise in both Cisco and Arista technologies.

Candidates must hold active Developed Vetting clearance and have strong expertise with Cisco technologies including SD-WAN and ACI.

Candidates should have substantial knowledge of Cisco technologies and VMware, along with strong troubleshooting skills and experience in regulated environments.

Network Engineer (Gigamon or Juniper or Cisco) - Must hold a valid SC Clearance. Network Engineer with Gigamon expertise. This is a hands-on role working on a secure site, requiring strong technical skills, a proactive attitude, and the ability to work collaboratively with engineering and project te

Strong expertise in routing & switching (Cisco ACI, Cisco Wifi, Cisco Meraki, Cisco SDN, Cloud Networking, BGP, OSPF, EIGRP, MPLS, VLANs), VPNs, load balancers, and network security concepts. Required Skills & Experience Professional level English langue skills 8+ years in network delivery/operation

Strong expertise in routing & switching (Cisco ACI, Cisco Wifi, Cisco Meraki, Cisco SDN, Cloud Networking, BGP, OSPF, EIGRP, MPLS, VLANs), VPNs, load balancers, and network security concepts. Required Skills & Experience Professional level English langue skills 8+ years in network delivery/operation

Principal Sales Engineer Location: Remote (UK-based) – with travel to customer sites Salary: circa £140k +20% bonus + car allowance + extensive benefits package (DV cleared) Clearance Requirement: SC if willing to go through DV process Our client is at the forefront of digital transformation, supporting the world’s most essential organisations through their most complex digital challenges. By providing visibility and insight at an unparalleled scale they help clients solve problems faster, secure what matters, and drive continuous innovation across their digital ecosystems. We are now seeking a Principal Sales Engineer to support the growth of UK public sector accounts. This is a remote, client-facing role for a highly technical and experienced presales professional with a strong Government/Public Sector background and current DV clearance. Key Requirements Essential skills and experience: 15+ years’ experience in IT, with at least 10 years in presales, network engineering, or technical support with demonstrable success supporting UK Government or public sector clients * Strong expertise in: * Cisco routing, switching, gateways, and applications * TCP/IP, SNMP, Netflow, VoIP * LAN/WAN topologies (MPLS, Frame Relay, ATM) * Security concepts and network infrastructure design * Network performance and fault/alert management * Solid understanding of: * Operating systems – Linux, Windows * Cloud and virtualisation technologies – SDN/NFV, Public/Private Cloud * Performance tools – HP/OV, Tivoli, EMC SMARTS, ArcSight * Relevant certifications – CCNP or CCIE or Juniper equivalent * Formal presales training (e.g. Sandler, Siebel, Afterburner, Udemy) * Excellent communication and presentation skills – verbal, written, and visual Desirable qualifications: * Degree in Computer Science, Software Engineering, or equivalent technical military training * Knowledge of products such as Arbor, Radwhere, Riverbed, A10, ExtraHop * Familiarity with security audits, RFP/RFI responses * Exposure to security analytics tools and techniques, such as log analysis, anomaly detection, or traffic monitoring, with an interest in developing stronger skills. * Understanding of full packet capture and analysis concepts, or hands-on experience with tools like Wireshark, Zeek, or similar platforms. * Awareness of cybersecurity frameworks and best practices (e.g., NIST, ISO 27001) and how they apply to network assurance. Role & Responsibilities As Principal Sales Engineer, you will play a vital role in driving revenue by delivering technical presales support, demonstrating product value, and shaping best-fit solutions. Reporting to the Regional Sales Director, you will act as a trusted advisor for public sector clients and internal stakeholders. Responsibilities include: * Leading technical discovery and supporting the full sales cycle * Creating and delivering high-impact demos and presentations * Differentiating solutions from competitors using compelling value stories * Acting as a technical expert across integrators, service providers, and Government * Partnering with product and engineering to influence roadmaps and relay market feedback * Contributing to technical documentation, RFPs, and whitepapers * Mentoring Sales Engineers, attending client meetings alongside them * Building strong customer relationships and identifying upsell opportunities * Representing customer needs internally and advocating for technical alignment * Participating in industry events, speaking engagements, and strategic initiatives Additional Details Remote Working: * Muust be comfortable with regular travel for client meetings 3-4 days per week

L3 Network Support Engineer Responsibilities. Cisco network devices and firewalls.

The team is hiring a Cisco Network Engineer (Remote) to design, implement, and support enterprise-grade Cisco network solutions. Provide project support and delivery across Cisco networking solutions. Ready to engineer secure, high-performance networks from anywhere?.

Candidates should have extensive experience in multi-site network environments, Cisco networking, and Palo Alto firewalls. A leading global professional services firm in London is seeking a Network Security Engineer for an initial 6-month contract.

Lead Network Engineer - Cisco, Meraki & Azure. You’ll be the technical lead for network architecture, security and performance, working with Cisco/Meraki on-prem and Azure native networking in the cloud. Comfortable with network monitoring tools (eg SolarWinds, Meraki Dashboard, Cisco Prime, Azure

A leading technology service provider is seeking Graduate level Cisco Technicians based in Reading, UK. Ideal candidates possess a degree in a technical field, a passion for infrastructure technology, and ideally some Cisco knowledge.

A leading defense contractor in East Midlands is seeking a Network Support Engineer to join their on-site support team. The role involves leading local network infrastructure support and requires CCNA level experience with Cisco LAN and WAN components.

You will manage their complex network infrastructure, requiring expertise in Cisco, Arista, and Palo Alto technologies, along with OSPF and BGP protocols. A leading hedge fund in the City of London is seeking a skilled Network Engineer for a 12-month fixed-term contract.

A recruitment agency is seeking an experienced Network & Communications Engineer to support and operate the UK and Ireland network environments. Ideal candidates are skilled in enterprise network engineering, possess strong problem-solving abilities, and can manage routing, switching, and voice envi

A leading recruitment agency based in the UK is seeking a skilled network professional to support and maintain enterprise network infrastructure built around Cisco technologies. You will work within VMware environments and troubleshoot complex network issues, implementing network changes and upgrade

A leading international supplier is seeking a Network Engineer to support and enhance the network infrastructure across the UK. Ideal candidates will possess solid experience with Cisco and Palo Alto technologies, strong analytical skills, and a commitment to efficient network management. This hybri

A global leader in engineering services is seeking a Senior Network Engineer to support a government contract in Diego Garcia. You will oversee the technical team, maintain network infrastructure, and ensure compliance with all requirements.

Proven experience supporting enterprise‑scale network infrastructure. Support and maintain enterprise network infrastructure built around. Troubleshoot complex network issues across multi‑site environments.

Urgent requirement for a Cisco Design & Implementation Consultant or Engineer – Scope, plan and implement multiple Cisco R&S and Wireless projects. Be the go-to Consultant on all Project work across their Cisco Networking & Wireless deployments?. You will be working on High & Low Level Designs and

Are you ready to kickstart your career in networking with a world-class Cisco Gold and Fortinet Partner? Our client is a rapidly growing multinational powerhouse looking to invest in the next generation of networking talent. Join a dynamic and supportive NOC Engineering Team where you’ll be hands-

A technology services firm is seeking a Junior Network Engineer to address network connectivity issues and maintain network infrastructures in accordance with best practices. Candidates should have a solid understanding of networking and demonstrate a strong work ethic. This full-time entry-level po

We have a fantastic opportunity for an experienced Network Engineer required to join our highly skilled Infrastructure team to deliver exceptional 3rd Line Support to the global infrastructure network and deliver various network projects within tight timeframes. Experience in configuration and troub

A leading recruitment agency is seeking an experienced Network Engineer to join their Infrastructure team based in London. You will deliver exceptional 3rd Line Support and manage various network projects. Ideal candidates will have at least CCNP certification, strong experience with Cisco and Merak

A cybersecurity solutions company in the UK is seeking a Network Engineer to support technical service delivery in a secure, high-performing environment. This role requires active DV Clearance and a strong Cisco certification background.

Our client is looking for an experienced Network & Communications Engineer to support and operate our UK and Ireland enterprise and OT (operational technology) network environments. Extensive experience in enterprise network and communications engineering. This is a hands on, London based role where

A technology company in the United Kingdom is seeking a skilled Network Security Engineer to design, implement, and maintain secure network infrastructures. The ideal candidate will have a Bachelor's degree in a related field and over 3 years of experience in network security, particularly with Cisc

Senior Network Engineer (Cisco CCIE) London to £150k. As a Senior Network Engineer you will take a lead role in a strategic global, network redesign to modernise existing systems. You have expertise with network design and engineering within a Cisco environment, with CCIE certification.

This role involves designing and maintaining robust network systems, managing Cisco routers, and troubleshooting networking issues. A recruitment agency seeks a Network Engineer IV in the United Kingdom, offering a fixed-term contract for 6 months. The ideal candidate will have extensive IP networki

A leading tech company in the United Kingdom is seeking a Senior Network Engineer to lead data center operations. This role involves managing a hybrid network environment, ensuring performance and availability of Cisco ACI, advanced troubleshooting, and vendor coordination. The ideal candidate will

A technology services provider seeks a Cisco Network Engineer to design and support enterprise-grade Cisco network solutions in a remote-first role. Candidates should have strong Cisco experience, including Catalyst and Nexus platforms, and CCNP certification.

A leading supplier of specialty solutions is looking for an experienced Network Engineer to maintain and enhance the network infrastructure across its UK operations. The ideal candidate will have substantial operational experience with Cisco and Palo Alto technologies, ensuring performance and secur

A leading trading company is seeking a Senior Network Engineer (Cisco CCIE) based in London with a competitive salary up to £150k. Ideal candidates will have expertise in Cisco networking and a keen understanding of the business impact of technical decisions. You will lead a strategic network redes

The role requires strong expertise in networking, including Cisco, Juniper, and Windows Server administration, and offers a salary of up to £60K plus a bonus and excellent benefits. A recruitment agency seeks a Network Infrastructure Engineer to work on high-profile projects in a fully remote posit

A leading global technology company in Greater London is seeking a Level 3 Network Security Engineer to manage high‑severity incidents. Responsibilities include configuring Cisco devices, providing Level-3 support, and monitoring network performance. Candidates should have 7-8 years of experience

The role requires experience in Cisco networking and wireless technologies, focusing on R&S and Cisco Meraki Wireless projects. A specialist recruitment company seeks a Cisco Design & Implementation Consultant to oversee complex projects across London.