Senior Network Engineer (DV Cleared)

Senior Network Engineer (DV Cleared) in Milton Keynes (MK1) | Certes IT Service Solutions Search Search These jobs were popular with other job seekers Network Architect Xcede London Competitive 4 days ago Lead Network Security Engineer Frontier Resourcing Ltd Bristol (BS16) Good day rate 2 weeks ago Firewall Engineer Ashdown Group City of London (EC2N), EC2N £80,000 1 week ago Senior Consultant VMware COMPUTACENTER (UK) LIMITED The Borough, South East London (SE1), SE1 8HL 1 week ago SRE Technical Lead F5 consultants Berkshire £100000 - £120000 per annum 3 days ago Infrastructure Engineer Oscar Associates (UK) Limited London £600 - £700 per day 2 weeks ago LAN Engineer WWT EMEA UK LIMITED London Up to £400 per day 2 weeks ago Senior Network Engineer MASS Consultants Corsham (SN13) From £55,000 to £69,000 per annum DOE 6 days ago Senior Cyber Security & Network Engineer Sanderson Recruitment Epsom (KT17), KT17 £60000 - £70000 per annum 4 days ago Infrastructure Engineer - SC Cleared Run-Time Group Ltd Milton Keynes (MK19) Up to £500 per day 1 month ago Network Architect Xcede London Competitive 4 days ago Lead Network Security Engineer Frontier Resourcing Ltd Bristol (BS16) Good day rate 2 weeks ago Firewall Engineer Ashdown Group City of London (EC2N), EC2N £80,000 1 week ago Senior Consultant VMware COMPUTACENTER (UK) LIMITED The Borough, South East London (SE1), SE1 8HL 1 week ago SRE Technical Lead F5 consultants Berkshire £100000 - £120000 per annum 3 days ago Infrastructure Engineer Oscar Associates (UK) Limited London £600 - £700 per day 2 weeks ago LAN Engineer WWT EMEA UK LIMITED London Up to £400 per day 2 weeks ago Senior Network Engineer MASS Consultants Corsham (SN13) From £55,000 to £69,000 per annum DOE 6 days ago Senior Cyber Security & Network Engineer Sanderson Recruitment Epsom (KT17), KT17 £60000 - £70000 per annum 4 days ago Infrastructure Engineer - SC Cleared Run-Time Group Ltd Milton Keynes (MK19) Up to £500 per day 1 month ago Senior Network Engineer (DV Cleared) Certes IT Service Solutions View Profile Milton Keynes (MK1) Contract Published: 4 days ago £500 - £540 per day + Negotiable Senior Network Engineer (DV Cleared) Certes IT Service Solutions Senior Network Engineer (DV Cleared) Location: Milton Keynes Duration: 6-Months Rate: £540 per day (Inside IR35) Clearance: Active DV Clearance Required Working Pattern: Onsite 5 days per week Overview We are seeking an experienced Senior Network Engineer to support a range of highly secure Government platforms and services within a complex enterprise environment. The successful candidate will join a wider team of skilled technical specialists, providing both BAU support and project delivery across critical infrastructure and network technologies. This role requires strong experience working within secure and air-gapped environments, with responsibility for the design, implementation, administration, and support of enterprise network and infrastructure solutions. The position will also act as an escalation point for complex technical issues and contribute to ongoing modernization and security improvement initiatives. As the Senior Network Engineer you will be responsible for designing, implementing, securing, and maintaining enterprise network infrastructure with a focus on high availability, performance, and resilience. This role provides advanced technical leadership across routing, switching, firewall administration, and network security operations. You will serve as an escalation point for complex issues involving Cisco switching platforms, Cisco Firepower Threat Defense (FTD), and Palo Alto Networks Next-Generation Firewalls, Catepan encryption devices Key Responsibilities * Design, implement, support, and maintain secure enterprise network infrastructure * Deliver BAU operational support alongside project-based infrastructure changes * Manage and optimise enterprise LAN/WAN environments * Administer and support Cisco switching and routing technologies * Configure and maintain network security technologies including Cisco Firepower/ASA and Palo Alto firewalls * Support network security operations including IPS/IDS, VPNs, IPsec, SSL, and PKI technologies * Troubleshoot complex network, connectivity, and security-related incidents * Support network modernization, migration, and automation initiatives * Ensure compliance with security standards, policies, and hardening guidelines * Work collaboratively with cross-functional technical and security teams * Support virtualised infrastructure and software-defined networking technologies * Maintain network monitoring, alerting, and configuration management platforms Required Skills & Experience * Proven experience supporting and designing infrastructure within highly secure or air-gapped environments * Strong experience with Cisco switching and routing technologies * Hands-on expertise with Cisco Firepower/ASA firewall installation and administration * Experience administering Palo Alto Firewalls and Panorama * Strong understanding of network security technologies including IPsec, SSL VPNs, PKI, and IDS/IPS * Experience with VMware virtual environments and virtual networking solutions * Knowledge of NSX-T platforms * Experience using network monitoring and configuration tools such as SolarWinds NCM, PRTG, and KIWI * Experience supporting encryption devices including Catapan and Bulldog technologies * Familiarity with Cisco collaboration technologies including CUCM, CSM, CMM, Expressways, VTC, and DeskPro devices * Experience with copper and fibre optic patching * Strong understanding of Windows infrastructure services including: - Active Directory - DNS - DHCP - NPAS - Certificate Services * Experience with Software Defined Access technologies including Dot1X and IBNS 2.0 Desirable Experience * Knowledge of NIST hardening guidelines * Understanding of ITIL processes and best practices * Experience with ServiceNow * Familiarity with BeCrypt OS * Linux administration knowledge * Experience with data diode technologies Candidate Profile The ideal candidate will be a proactive and technically strong infrastructure professional with experience operating in secure Government or defence environments. You will be comfortable working onsite full-time, handling complex technical challenges, and contributing to both operational support and strategic infrastructure initiatives. If this role is of interest please email your CV to: Certes Computing (and all of its subsidiary companies) is committed to promoting equality and diversity in its business operations. In Short Industry HR & Recruitment Founded 1983 Location Warwickshire Company size 50 - 199 About Us Certes Ltd. is a specialist provider of IT professionals &
capability for IT project delivery. Established for almost 40 years’, they help
organisations access the best IT specialists in the market. From their roots as
an IT development company, Certes Ltd. will help you plan and deliver the right
IT Service Solution for your organisation and/or projects. This is executed
through a choice of resource solutions that best serve your organisational
need, which are continually evolving as digital transformation projects gather
momentum. Certes Ltd. offers a choice to both organisations and IT
professionals that work with a range of IT resource solutions that are
compliant with IR35 and cost-effective. They are designed to focused around
delivering a positive outcome for your organisation. IT Talent The
stakes are high for both the organisations and the candidates.  Whatever
the role, not only must your new hire have the right skills to help your
organisation thrive, they must also be the right cultural fit.  Building a
team means thinking about not just what is needed now for the business or a
specific project, but also futureproofing your skills base through succession
planning and development. It’s
a careful balance, but at Certes, our extensive experience of talent management
means we’ve developed the perfect methodology to deliver exceptional results
when sourcing and onboarding the right people into your organisation. IT Contract Certes IT Service Solutions is made up of several highly skilled and
specialist resource divisions that work together flexibly to deliver a fully
integrated service.  Our business is based on best practice, recognised
quality procedures and a commitment to continuous development and improvement. IT Agility Ability Certes
IT Services Agility Ability™ portfolio is the future of adaptable, flexible and
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Certes Agility Ability enables your digital projects to reach an entirely new
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is our Capability as a Service, CaaS, where our consultants’ expertise and DDaT
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skillsets that change in line with the demands and evolution of your project. Contact us Certes
capabilities are diverse and flexible and work with a spectrum of companies
large and small, public and private, providing highly focused skill specific
resource support at all levels of IT. Similar Senior Network Engineer (Dv Cleared) Jobs Popular with Other Job Seekers Network Architect Xcede London Competitive 4 days ago Lead Network Security Engineer Frontier Resourcing Ltd Bristol (BS16) Good day rate 2 weeks ago Firewall Engineer Ashdown Group City of London (EC2N), EC2N £80,000 1 week ago Senior Consultant VMware COMPUTACENTER (UK) LIMITED The Borough, South East London (SE1), SE1 8HL 1 week ago SRE Technical Lead F5 consultants Berkshire £100000 - £120000 per annum 3 days ago Infrastructure Engineer Oscar Associates (UK) Limited London £600 - £700 per day 2 weeks ago LAN Engineer WWT EMEA UK LIMITED London Up to £400 per day 2 weeks ago Senior Network Engineer MASS Consultants Corsham (SN13) From £55,000 to £69,000 per annum DOE 6 days ago Senior Cyber Security & Network Engineer Sanderson Recruitment Epsom (KT17), KT17 £60000 - £70000 per annum 4 days ago Infrastructure Engineer - SC Cleared Run-Time Group Ltd Milton Keynes (MK19) Up to £500 per day 1 month ago Senior Network Engineer jobs Senior Network Engineer jobs in Milton Keynes IT jobs IT jobs in Milton Keynes Network Engineering jobs Network Engineering jobs in Milton Keynes Jobs in Milton Keynes Telecoms Engineer jobs Senior Network Support Engineer jobs Cisco Systems jobs Network Technician jobs Senior Technologist jobs Networks Engineer jobs Network Specialist jobs Senior Field Service Engineer jobs Network Engineer jobs Senior Network Technician jobs Network jobs Senior Engineer jobs Senior Systems Engineer jobs Senior Service Engineer jobs Networking jobs Get hired. Find success. Totaljobs Jobseekers Recruiters Download The Stepstone Group UK Ltd © 2026