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We are a $13+ billion global technology company, home to more than 224,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud, and AI, powered by a broad portfolio of technology services and products. HCLTech is a globally recognized leader in the Tech and IT industry, but we’ve never forgotten the startup mindset that got us here. We’ve always approached our work with an idea-first attitude because every one of our accomplishments —no matter how big or small —can be traced back to an idea’s single spark. It’s that spark —that inner drive —that sets our people apart from our competitors. It enables us not just to pull off game-changing feat after game-changing feat but to better our world in the process. We want you to find your spark. Because that’s what drives you to be better, be more and ultimately, be more fulfilled. To learn more about how we can supercharge progress for you, visit www.hcltech.com Job Title: Senior Patch Management Engineer Location: London, UK (Hybrid mode at client location) Experience: 3 – 6 years in network engineering / operations ROLE SUMMARY The L2 Senior Network Patch Management Engineer owns the firmware and software lifecycle across a multi-vendor network estate (LAN, WAN, data centre fabrics, firewalls, load balancers, and wireless). Responsibilities include risk assessment, automated patching workflows, vulnerability-led prioritisation, and cross-team co-ordination for zero-disruption maintenance. The role serves as an escalation point for L1 and leads continuous improvement of network patching practices. KEY RESPONSIBILITIES • Manage the firmware / software lifecycle for routers, switches, firewalls, load balancers, and wireless controllers across multi-vendor environments (Cisco, Juniper, Aruba, Palo Alto, F5, Fortinet)., • Assess vendor advisories (Cisco PSIRT, Juniper JSA, Palo Alto Security Advisories) and map CVEs to required upgrades; prioritise based on business impact and CVSS score., • Develop and maintain device-specific patching runbooks including pre-check scripts, upgrade procedures, rollback steps, and post-validation checks., • Automate network patch workflows using Ansible, Netmiko, NAPALM, or vendor APIs (Cisco NSO / DNA Centre)., • Lead maintenance window planning: impact analysis, rollback testing, stakeholder communication, and CAB submission., • Oversee configuration backup integrity (RANCID / Oxidised / Cisco NSO) before every patching activity., • Conduct structured rollback for failed upgrades; perform root cause analysis and document findings., • Integrate network vulnerability data from Qualys / Tenable into the patch prioritisation workflow., • Monitor network stability post-patching using NMS/IPAM tools (SolarWinds, NetBrain, Infoblox)., • Act as L2 escalation for L1 patch-related issues and routing/connectivity incidents., • Produce patch compliance reports and present to network management and security teams., • Drive patching SLA adherence: Critical vulnerabilities within 72 hours, High within 14 days. TECHNICAL SKILLS & KNOWLEDGE • Expert-level CLI skills: Cisco IOS / IOS-XE / NX-OS, Juniper JunOS, Aruba AOS, Palo Alto PAN-OS., • Deep understanding of network protocols: OSPF, BGP, EIGRP, MPLS, VRF, STP, HSRP/VRRP., • Experience with automated patching toolchains: Ansible, Netmiko, NAPALM, Python (Paramiko)., • Vendor firmware lifecycle knowledge including feature releases, maintenance releases, and ED/MD trains (Cisco SMU, Juniper package management)., • Firewall firmware management: Palo Alto, Fortinet FortiOS, Cisco ASA/FTD upgrade procedures., • Load balancer firmware: F5 BIG-IP or Citrix ADC upgrade methodology., • Network management platforms: Cisco DNA Centre, SolarWinds NPM/NCM, NetBrain, Infoblox., • Vulnerability management: parsing Cisco PSIRT, Juniper JSA, and NVD CVE data., • ITSM integration: ServiceNow change management, CMDB for network asset tracking., • SD-WAN patching exposure (Cisco Viptela, VMware VeloCloud) is advantageous. SOFT SKILLS & COMPETENCIES • Strong risk assessment skills: balances urgency with network stability., • Excellent planning skills for complex, multi-device maintenance windows., • Clear communicator with NOC, application, and security teams., • Methodical documentation – detailed runbooks, RCAs, and change records., • Proactive – stays current with vendor EOL/EOS notices and security advisories. PREFERRED CERTIFICATIONS • Cisco Certified Network Professional (CCNP Enterprise or Security), • Juniper Networks Certified Professional (JNCIP-ENT or JNCIP-SEC), • Palo Alto Networks Certified Network Security Engineer (PCNSE), • CompTIA Security+ or CySA+, • ITIL 4 Foundation or Managing Professional Benefits • A supportive, diverse, and global team with a brilliant culture., • Competitive compensation and benefits that includes vacation per year, various insurances like Term life and Business Travel insurance. These are apart from the statutory benefits applicable in the country. Employee benefits are regulated by an internal policy that contains full details regarding the entitlement and conditions for the benefits as per the law of the land., • Great opportunities to make the role your own, upskill yourself and get involved with exciting projects., • Total Wellbeing is our focus. Alongside your professional excellence, you join the likeminded colleagues to create a larger impact within the company and society at large in your chosen area of passion - CSR Council, Diversity Council, Women Connect, Sparks – Engagement Champion to name a few., • To know more about us visit – www.hcltech.com, • For more information on how we process your personal data, please refer to HCLTech’s Candidate Data Privacy Notice.

We are a $13+ billion global technology company, home to more than 224,000 people across 60 countries, delivering industry-leading capabilities centered around digital, engineering, cloud, and AI, powered by a broad portfolio of technology services and products. HCLTech is a globally recognized leader in the Tech and IT industry, but we’ve never forgotten the startup mindset that got us here. We’ve always approached our work with an idea-first attitude because every one of our accomplishments —no matter how big or small —can be traced back to an idea’s single spark. It’s that spark —that inner drive —that sets our people apart from our competitors. It enables us not just to pull off game-changing feat after game-changing feat but to better our world in the process. We want you to find your spark. Because that’s what drives you to be better, be more and ultimately, be more fulfilled. To learn more about how we can supercharge progress for you, visit www.hcltech.com Job Title: Patch Management Analyst Location: London, UK (Hybrid mode at client location) Experience: 2 years in network operations / NOC ROLE SUMMARY The L1 Network Patch Management Analyst supports the scheduling, co-ordination, and tracking of firmware and software updates across network devices (routers, switches, firewalls, and wireless infrastructure). The role focuses on executing pre-approved change tasks, performing health verification, and maintaining accurate patch records, under the direction of L2 engineers. KEY RESPONSIBILITIES • Co-ordinate and track network device firmware/software patching activities (Cisco IOS/IOS-XE, Juniper JunOS, Aruba, Palo Alto) as per approved change records., • Perform pre-patch tasks: verify device backups, confirm maintenance window communications, and validate access., • Execute standard patching steps (image upload, verify MD5/SHA hash, schedule reload) under L2 supervision., • Monitor device health post-patching: verify interface states, routing table, and connectivity., • Log patch activity and outcomes in ITSM tickets (ServiceNow / Remedy)., • Maintain network device firmware inventory and flag devices with outdated or end-of-support software., • Communicate maintenance windows to impacted stakeholders and NOC teams., • Escalate unexpected device failures, routing disruptions, or patching errors to L2 immediately., • Assist in generating weekly patch compliance reports for the network estate. TECHNICAL SKILLS & KNOWLEDGE • Basic understanding of networking fundamentals: OSI model, IP addressing, VLANs, routing basics., • Familiarity with Cisco IOS CLI commands (show version, copy commands, reload)., • Awareness of device backup processes (TFTP/SCP configuration backups)., • Basic knowledge of network management systems (SolarWinds, CiscoWorks, or similar)., • Ability to follow detailed step-by-step patching runbooks., • Understanding of ITSM change management and maintenance window concepts. SOFT SKILLS & COMPETENCIES • Accurate and methodical – capable of following change procedures without deviation., • Clear communication for co-ordinating maintenance windows with NOC and application teams., • Comfortable working in shift / on-call environments including nights and weekends., • Escalates promptly and accurately when issues arise. PREFERRED CERTIFICATIONS • Cisco Certified Network Associate (CCNA), • CompTIA Network+, • ITIL 4 Foundation Benefits • A supportive, diverse, and global team with a brilliant culture., • Competitive compensation and benefits that includes vacation per year, various insurances like Term life and Business Travel insurance. These are apart from the statutory benefits applicable in the country. Employee benefits are regulated by an internal policy that contains full details regarding the entitlement and conditions for the benefits as per the law of the land., • Great opportunities to make the role your own, upskill yourself and get involved with exciting projects., • Total Wellbeing is our focus. Alongside your professional excellence, you join the likeminded colleagues to create a larger impact within the company and society at large in your chosen area of passion - CSR Council, Diversity Council, Women Connect, Sparks – Engagement Champion to name a few., • To know more about us visit – www.hcltech.com, • For more information on how we process your personal data, please refer to HCLTech’s Candidate Data Privacy Notice.

Opticore IT in London is seeking a NOC Manager to lead the day-to-day operation of the Network Operations Centre and own ITIL-based service management across incident, problem, change and major incident processes.

Our mission relies on a team full of inspiring people, and we're looking for NOC Engineer with to help us monitor and manage the Quickline Next-Generation Hybrid Network. Experience working as a NOC Engineer or a Similar Role.

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