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Zscaler Engineer Job Description We are seeking a Network Security Engineer with strong Zscaler experience. This is for a 3-month rolling contract contract to join our clients new project team focused on a Zscaler migration. This role will ideally be hybrid in the Edinburgh office but has the option to be fully remote for the right consultant. The role itself will also be INSIDE IR35. Responsibilities • Administer Zscaler Internet Access Policy., • Manage firewall policies, preferably with Checkpoint or Fortinet experience but not essential., • Collaborate with the project team to ensure successful migration to Zsclaer., • Utilise networking technologies such as Firewalls, Cisco Switching and Routing, F5 load balancing and Zscaler. Essential Skills • experience with Zscaler., • experience in firewall administration or engineering., • Proven experience in an enterprise environment [500+ users] For more information on this new contract opportunity, please apply within! Location Edinburgh, UK Trading as TEKsystems. Allegis Group Limited, Maxis 2, Western Road, Bracknell, RG12 1RT, United Kingdom. No. 2876353. Allegis Group Limited operates as an Employment Business and Employment Agency as set out in the Conduct of Employment Agencies and Employment Businesses Regulations 2003. TEKsystems is a company within the Allegis Group network of companies (collectively referred to as "Allegis Group"). Aerotek, Aston Carter, EASi, Talentis Solutions, TEKsystems, Stamford Consultants and The Stamford Group are Allegis Group brands. If you apply, your personal data will be processed as described in the Allegis Group Online Privacy Notice available at . To access our Online Privacy Notice, which explains what information we may collect, use, share, and store about you, and describes your rights and choices about this, please go to . We are part of a global network of companies and as a result, the personal data you provide will be shared within Allegis Group and transferred and processed outside the UK, Switzerland and European Economic Area subject to the protections described in the Allegis Group Online Privacy Notice. We store personal data in the UK, EEA, Switzerland and the USA. If you would like to exercise your privacy rights, please visit the "Contacting Us" section of our Online Privacy Notice at for details on how to contact us. To protect your privacy and security, we may take steps to verify your identity, such as a password and user ID if there is an account associated with your request, or identifying information such as your address or date of birth, before proceeding with your request. If you are resident in the UK, EEA or Switzerland, we will process any access request you make in accordance with our commitments under the UK Data Protection Act, EU-U.S. Privacy Shield or the Swiss-U.S. Privacy Shield.

Overview: The Network Architect will be responsible for designing, integrating, and securing network environments required to support large-scale application migration initiatives. The role involves network architecture design, firewall configuration, integration discussions with cross-functional teams, and ensuring end-to-end connectivity for on-prem and cloud-based workloads. Key Responsibilities: • Lead network architecture and integration discussions to define connectivity requirements for application migration projects., • Design and implement network topologies, routing strategies, and segmentation models to support new and existing application environments., • Perform and coordinate firewall (FW) changes, including rule creation, optimization, NAT, ACL updates, security policies, and migration of firewall policies., • Ensure secure and reliable network connectivity between on-premises data centers, cloud platforms, and third-party applications., • Work closely with application, cloud, and security teams to validate network requirements and ensure compatibility with migration workflows., • Troubleshoot network performance, latency, routing, DNS, load balancers, and connectivity issues affecting migrated applications., • Support end-to-end network readiness, including testing, packet tracing, and validation of communication paths prior to go-live., • Maintain documentation for network designs, IP schemas, firewall rule sets, and migration-related architecture changes., • Ensure compliance with network security best practices, including traffic segmentation, Zero Trust principles, and access control., • Strong experience in network architecture, design, and operations in enterprise environments., • Hands-on expertise with firewalls (Palo Alto, Check Point, Fortinet, Cisco ASA, or similar)., • Solid understanding of routing, switching, VPN, BGP, OSPF, MPLS, and network segmentation., • Experience supporting application migrations across data centers or cloud platforms (Azure, AWS, GCP preferred)., • Strong knowledge of load balancers, proxy servers, DNS, DHCP, NAT, and IP addressing., • Ability to interpret and design network diagrams, HLD/LLD documentation, and security architectures., • Relevant certifications such as CCNP, CCIE, PCNSE, NSE, or AWS/Azure Network certifications., • Experience with cloud networking (Azure Virtual Network, ExpressRoute, AWS VPC, Transit Gateway, etc.)., • Familiarity with automation tools (Ansible, Terraform, PowerShell, Python) for network configuration.

Our hosting team delivers InterSystems’ solutions as hosted or managed services, anywhere in the world. As more and more clients change to hosted solutions, we are looking for junior and senior systems engineers to join the team and help us with delivering the high levels of availability, performance and security that our clients have come to rely on. The role offers a fantastic opportunity to gain experience across a range of technologies, to solve interesting problems, to be allowed to make improvements, and to be recognized for making a difference to our customers and your colleagues. What’s in it for you? • Great Bonus Scheme, • Private Medical Insurance, • Optional Enhanced Pension Scheme, • Perks and Savings on lifestyle activities, • Nuffield Health Discounts, • Gym Reimbursements (up to £600), • Plus more! Responsibilities Group Responsibilities - Deployment • Collaborate with co-location partners to design cage, rack, and server layouts and ensure sufficient space, power, and cooling for current and future needs., • Lead or support server, network, and hosting equipment deployment, including hands-on builds and configuration when needed., • Work with stakeholders to secure pre-operational sign-offs and ensure solutions meet performance requirements such as security, availability, and response times., • Assist in troubleshooting integration issues. Group Responsibilities – Operations • Manage and maintain hosted infrastructure (servers, storage, backups), including proactive issue prevention and backup oversight., • Define, document, and improve operational processes, including ITIL-based incident, change, problem, and configuration management, and ensure alignment with wider company workflows., • Provide technical support for hosted services, participate in a 24×7 on-call rotation, resolve incidents promptly, and deploy approved changes and updates. Essential Experience Required • Strong hands-on experience with server hosting (e.g. data center) infrastructure, ideally Cisco UCS, Dell servers and Dell storage technologies, • Hands-on storage/SAN and backup experience ideally one of Dell Data Domain, Dell backup software, Veeam and/or Rubrik, • Strong Windows skills, especially Active Directory and Group Policy, • Hands-on VMware deployment and management experience with VMware, • Hands-on Linux deployment and management experience with RHEL 8 or newer Desirable • Strong understanding of the principles of IT security, including ISO27001, • Knowledge of configuration management (Puppet and/or Red Hat Satellite preferred), • Scripting for automation technologies (e.g. Powershell, Puppet, Ansible, Python), • ITIL knowledge – principles and application About InterSystems InterSystems, a creative data technology provider, delivers a unified foundation for next-generation applications for healthcare, finance, manufacturing, and supply chain customers in more than 80 countries. Our data platforms solve interoperability, speed, and scalability problems for large organizations around the globe to unlock the power of data and allow people to perceive data in imaginative ways. Established in 1978, InterSystems is committed to excellence through its 24×7 support for customers and partners around the world. Privately held and headquartered in Boston, Massachusetts, InterSystems has 38 offices in 28 countries worldwide. For more information, please visit ___.

Implement DevOps with more structure, prioritisation and visibility. Currently recruiting for a seasoned Network Infrastructure Engineer, working with our leading Edinburgh-based client, specialising in digital transformation. This alongside a blend of tech skills across Cisco networking, some gener

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Strong networking experience – LAN/WAN/SDWAN/Azure networking such as routing, firewalls, network peering, etc. An experienced Azure/Networking engineer who enjoys a challenge at an ever‑growing technology focused business. Maintaining networking solutions such as Cisco Meraki, Zscaler, Azure Fr

Experience with Network Engineering is essential, as well as possessing a Cisco Certified Network Associate (CCNA) or equivalent level of Cisco Certification. You will have experience with the network development life cycle process, routing and switching systems, defence systems, Network information