At a Glance
- Tasks: Lead the administration and optimisation of complex IT networks, voice, and AV services.
- Company: Join KBR, a leader in mission-critical IT infrastructure solutions.
- Benefits: Enjoy a permanent role with competitive salary and opportunities for professional growth.
- Other info: Work in a dynamic team with excellent career advancement opportunities.
- Why this job: Make a real impact in a highly regulated environment with advanced technologies.
- Qualifications: Strong expertise in Cisco networking, cloud connectivity, and network security required.
The predicted salary is between 57704 - 70528 £ per year.
Title
Lead IT Network Administrator, Network, Voice, AV
KBR 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.
This 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.
This 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.
In 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.
Key Responsibilities
- Configure, 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).
- Manage enterprise routing and switching services across data centres, office locations, cloud platforms, and remote access environments.
- Administer and support secure network services including Palo Alto firewalls, network segmentation, access control policies, and remote connectivity solutions.
- Manage F5 BIG-IP load balancing platforms, including virtual servers, pools, health monitors, certificates, and traffic management policies.
- Support Microsoft Azure networking services, including virtual networks, subnets, network security groups, route tables, gateways, and hybrid cloud connectivity.
- Troubleshoot and resolve complex infrastructure, networking, and application connectivity issues across multiple technology domains.
- Analyse packet captures, traffic flows, monitoring alerts, and platform telemetry to identify root causes and implement corrective actions.
- Perform network upgrades, software patching, hardware refresh activities, lifecycle management, and capacity planning.
- Monitor network availability, performance, and utilization to ensure optimal service delivery and operational stability.
- Support backup, recovery, disaster recovery testing, high availability solutions, and operational resilience initiatives.
- Maintain network diagrams, configuration records, technical standards, and operational documentation.
- Participate in incident, problem, and change management activities to support reliable and secure service delivery.
- Collaborate closely with infrastructure, cybersecurity, cloud, application, and third party support teams to maintain secure and resilient services.
- Basic Qualifications
Education & Experience
- UK Citizenship is required.
- Current Baseline Personnel Security Standard (BPSS) clearance or higher.
- Strong hands on experience with Cisco networking technologies, including Nexus switching, Cisco ISE, SD-WAN, and modern data centre networking solutions.
- Experience supporting Cisco Nexus environments, including Leaf-Spine architectures, VXLAN, and EVPN technologies.
- Experience administering Cisco NDFC or equivalent data centre network management platforms.
- Experience supporting enterprise routing and switching technologies across large scale environments.
- Experience administering Palo Alto firewalls and enterprise network security solutions.
- Experience supporting F5 BIG-IP load balancers and Microsoft Azure networking services.
- Experience with network monitoring, traffic analysis, and packet capture tools.
- Proven ability to diagnose and resolve complex issues across network, cloud, and security platforms.
- Experience supporting resilience, business continuity, and disaster recovery initiatives.
Skills & Competencies
- Advanced knowledge of enterprise networking technologies, including BGP, OSPF, VLANs, VRFs, Spanning Tree Protocol, and link aggregation.
- Strong understanding of modern data centre networking concepts, including Leaf-Spine architectures, VXLAN, and EVPN.
- Knowledge of VPN technologies, network access control, authentication, authorization, and network security principles.
- Ability to analyse network performance, identify root causes, and implement effective remediation strategies.
- Strong understanding of operational best practices, including monitoring, patching, lifecycle management, documentation, and change control.
- Excellent troubleshooting and analytical skills within complex enterprise environments.
- Strong communication, documentation, and stakeholder engagement capabilities.
- Ability to work effectively within highly regulated and security conscious environments.
- Preferred Qualifications
- Cisco certifications such as CCNP Enterprise, CCNP Data Center, or equivalent.
- Palo Alto Networks certifications or significant operational experience.
- F5 certification or extensive hands on BIG-IP LTM administration experience.
- Microsoft Azure networking certification or equivalent cloud networking expertise.
- Experience supporting Defence, Government, Aerospace, or other highly regulated environments.
- Experience with Cisco Trust Sec, Security Group Tags (SGT), or identity based network segmentation.
- Experience with Azure Express Route, cloud interconnects, and colocation facilities.
- Experience with automation and scripting technologies such as Python, Ansible, or Terraform.
- Experience supporting global enterprise networks across multiple locations and telecommunications providers.
- Exposure to Secure Access Service Edge (SASE), advanced network security technologies, or application delivery solutions.
Lead IT Network Administrator, Network, Voice, AV in Leatherhead employer: KBR
As a Senior Quantity Surveyor with us, you'll join a dynamic team that values collaboration and professional growth, all while working on impactful civil and infrastructure projects in the UK. We offer a supportive work culture that encourages continuous improvement and provides opportunities for coaching and mentoring junior staff, ensuring you can develop your skills and advance your career. Our commitment to maintaining high standards in procurement and project management means you'll be part of a company that prioritises excellence and innovation in every aspect of its operations.
StudySmarter Expert Advice🤫
We think this is how you could land Lead IT Network Administrator, Network, Voice, AV in Leatherhead
✨Join the IT Consultancy Buzz
Get involved in local or virtual IT consultancy meetups and forums. This is where we can rub shoulders with industry professionals, get insights into what KBR values, and even spot unadvertised opportunities. Don't miss out on these chances to make a name for ourselves in the IT world!
✨Show Off Your Skills
Create a personal project or case study relevant to the challenges KBR might face. Use platforms like GitHub or Medium to share your findings. This not only demonstrates our consulting skills but shows a proactive attitude, making us stand out from the crowd when applying for that full-time gig.
✨Leverage LinkedIn for Connections
Follow and engage with the relevant thought leaders and influencers in IT consultancy on LinkedIn. Share insightful content and join discussions to gain visibility. A well-placed comment or shared article could catch the attention of someone at KBR!
✨Direct Apply to KBR
Let's not forget to apply directly through the KBR website! Tailor your application to showcase our understanding of their consulting style and how we can contribute to their projects. A personalised approach can make a huge difference in landing that full-time position!
We think you need these skills to ace Lead IT Network Administrator, Network, Voice, AV in Leatherhead
Some tips for your application 🫡
Showcase Your Problem-Solving Skills:In IT consulting, it's all about problem-solving, so make sure your CV highlights your analytical skills and any relevant projects you've tackled. Mention specific technologies or methodologies you've used to resolve issues or improve processes; this shows you can think critically and deliver results, which is vital for us at KBR.
Highlight Relevant Certifications:Certifications like ITIL, PMP, or even specific tech stack qualifications can really make you stand out. Make sure to include these in your CV, as they not only demonstrate your expertise but also your commitment to staying current in the field. We love seeing candidates who are proactive about their professional development!
Tailor Your Cover Letter:Your cover letter is your chance to connect personally with us at KBR. Share stories about your experiences in IT consulting, and how they shaped your desire to join our team. Mention why you’re excited about this particular role, and how you see yourself contributing to our projects.
Keep It Clear and Concise:We're all busy, so make sure your application is easy to read. Use bullet points for key achievements, and don’t overload us with jargon. A clean, professional layout goes a long way. Remember, the clearer your application, the more likely we are to invite you in for an interview!
How to prepare for a job interview at KBR
✨Brush Up on Your Technical Skills
For an IT consulting role, be ready to demonstrate your technical prowess. You might face questions on systems integration, cloud technologies, or even troubleshooting specific software. If you have experience with tools like AWS, Azure, or even specific programming languages, make sure you can talk about them fluently.
✨Showcase Your Problem-Solving Approach
IT consulting is all about solving problems for clients. Think about how you can illustrate your approach to a past challenge using the STAR method (Situation, Task, Action, Result). It's a great way to show how you tackle complex issues and come up with effective solutions.
✨Know the Business Impact of IT Solutions
When discussing your experiences, focus not just on the tech solutions you implemented, but also on their business impact. Employers want to see that you can connect IT with organisational goals. Prep examples that highlight how your tech contributions improved efficiency or reduced costs for past clients or projects.
✨Prepare for Behavioural Questions
Since IT consulting often involves teamwork and client interactions, expect behavioural questions that assess your interpersonal skills. Be prepared with examples that demonstrate your adaptability, communication skills, and how you handle client feedback. Before the interview, think of situations where you worked closely with clients to create effective IT strategies or changes.
