{"id":2989480,"url":"https://alion.io/job/kbr-lead-it-network-administrator-network-voice-av","title":"Lead IT Network Administrator, Network, Voice, AV","company":{"id":4344,"name":"KBR","domain":"kbr.com","url":"https://alion.io/company/kbr","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":75,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":9,"computed_at":"2026-10-22T06:10:10Z"}},"role":"DevOps","role_family":"DevOps","seniority":"lead","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Leatherhead, United Kingdom"],"countries":["GB"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":91000,"max_usd":157000,"period":"year","method":"role_seniority_country_remote_cell","sample_n":30},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Azure","optional":false},{"name":"BGP","optional":false},{"name":"OSPF","optional":false},{"name":"VPN","optional":false},{"name":"Ansible","optional":true},{"name":"Python","optional":true},{"name":"Terraform","optional":true}],"status":"live","first_seen_at":"2026-08-13T00:00:00Z","employer_posted_date":"2026-08-13","last_verified_at":"2026-10-22T07:06:49Z","board_verified":true,"closed_at":null,"days_open":70,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":70},"description":"Title:\nLead IT Network Administrator, Network, Voice, AVKBR is seeking a Lead IT Network Administrator (Network, Voice & AV) to join our team supporting complex, mission critical IT infrastructure across enterprise and secure environments. This role is responsible for leading the administration, optimisation, and support of networking, voice, and audiovisual services, ensuring high levels of performance, security, and availability across multiple sites. The successful candidate will bring strong expertise in Cisco networking technologies, network security, cloud connectivity, and unified communications, while serving as a key technical escalation point for operational support and infrastructure projects.\nThis is an exciting opportunity for an experienced IT professional to work with advanced networking, security, and collaboration technologies in a highly regulated environment. You will play a key role in maintaining resilient, secure, and high performing services, driving continuous improvement initiatives, and contributing to the delivery of critical business and operational outcomes across the organisation.\nThis is a permanent, full-time position based in Aldershot, Basingstoke, Salisbury, Southampton, or Swindon. Only candidates with UK Citizenship and holding a BPSS or above should apply.\nIn September 2025, KBR announced that we are spinning our Mission Technology Solutions business into a separate public company. This role will ultimately be part of the new company. The Mission Technology Solutions business partners with governments and defense, intelligence, space, aviation, and critical infrastructure customers to deliver high-end engineering, science, technology, and mission support solutions.\nKey Responsibilities\nConfigure, administer, and optimize complex Cisco networking environments, including Cisco Identity Services Engine (ISE), Cisco Nexus Dashboard Fabric Controller (NDFC), Nexus switching, Leaf-Spine architectures, VXLAN, EVPN, and SD-WAN technologies (Cisco Viptela and Meraki).\nManage enterprise routing and switching services across data centres, office locations, cloud platforms, and remote access environments.\nAdminister and support secure network services including Palo Alto firewalls, network segmentation, access control policies, and remote connectivity solutions.\nManage F5 BIG-IP load balancing platforms, including virtual servers, pools, health monitors, certificates, and traffic management policies.\nSupport Microsoft Azure networking services, including virtual networks, subnets, network security groups, route tables, gateways, and hybrid cloud connectivity.\nTroubleshoot and resolve complex infrastructure, networking, and application connectivity issues across multiple technology domains.\nAnalyse packet captures, traffic flows, monitoring alerts, and platform telemetry to identify root causes and implement corrective actions.\nPerform network upgrades, software patching, hardware refresh activities, lifecycle management, and capacity planning.\nMonitor network availability, performance, and utilization to ensure optimal service delivery and operational stability.\nSupport backup, recovery, disaster recovery testing, high availability solutions, and operational resilience initiatives.\nMaintain network diagrams, configuration records, technical standards, and operational documentation.\nParticipate in incident, problem, and change management activities to support reliable and secure service delivery.\nCollaborate closely with infrastructure, cybersecurity, cloud, application, and third party support teams to maintain secure and resilient services.\nBasic Qualifications\nEducation & Experience\nUK Citizenship is required.\nCurrent Baseline Personnel Security Standard (BPSS) clearance or higher.\nStrong hands on experience with Cisco networking technologies, including Nexus switching, Cisco ISE, SD-WAN, and modern data centre networking solutions.\nExperience supporting Cisco Nexus environments, including Leaf-Spine architectures, VXLAN, and EVPN technologies.\nExperience administering Cisco NDFC or equivalent data centre network management platforms.\nExperience supporting enterprise routing and switching technologies across large scale environments.\nExperience administering Palo Alto firewalls and enterprise network security solutions.\nExperience supporting F5 BIG-IP load balancers and Microsoft Azure networking services.\nExperience with network monitoring, traffic analysis, and packet capture tools.\nProven ability to diagnose and resolve complex issues across network, cloud, and security platforms.\nExperience supporting resilience, business continuity, and disaster recovery initiatives.\nSkills & Competencies\nAdvanced knowledge of enterprise networking technologies, including BGP, OSPF, VLANs, VRFs, Spanning Tree Protocol, and link aggregation.\nStrong understanding of modern data centre networking concepts, including Leaf-Spine architectures, VXLAN, and EVPN.\nKnowledge of VPN technologies, network access control, authentication, authorization, and network security principles.\nAbility to analyse network performance, identify root causes, and implement effective remediation strategies.\nStrong understanding of operational best practices, including monitoring, patching, lifecycle management, documentation, and change control.\nExcellent troubleshooting and analytical skills within complex enterprise environments.\nStrong communication, documentation, and stakeholder engagement capabilities.\nAbility to work effectively within highly regulated and security conscious environments.\nPreferred Qualifications\nCisco certifications such as CCNP Enterprise, CCNP Data Center, or equivalent.\nPalo Alto Networks certifications or significant operational experience.\nF5 certification or extensive hands on BIG-IP LTM administration experience.\nMicrosoft Azure networking certification or equivalent cloud networking expertise.\nExperience supporting Defence, Government, Aerospace, or other highly regulated environments.\nExperience with Cisco TrustSec, Security Group Tags (SGT), or identity based network segmentation.\nExperience with Azure ExpressRoute, cloud interconnects, and colocation facilities.\nExperience with automation and scripting technologies such as Python, Ansible, or Terraform.\nExperience supporting global enterprise networks across multiple locations and telecommunications providers.\nExposure to Secure Access Service Edge (SASE), advanced network security technologies, or application delivery solutions.","description_format":"text","description_chars":6526,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Military Logistics","Space Services","Engineering Services"],"lifecycle":[{"event":"open","at":"2026-10-21T09:24:56Z"}],"visa":[],"liveness":{"score":5,"band":"cold","label":"Long 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