CareerAddict

Senior Network Engineer (DV Cleared)

Certes Computing Ltd

Posted on Jul 7, 2026 by Certes Computing Ltd
Milton Keynes, Buckinghamshire, United Kingdom
IT
Immediate Start
£640 - £650 Daily
Contract/Project

GovernmentNetwork Engineer (DV Cleared)

Duration: 6 months

Location: Milton Keynes

Rate: £650 per day

IR35 Status: Inside

Start: ASAP

A Senior Network Engineer (DV Cleared) is required for our Government Client to support various tiered systems and support a wider team of skilled technicians supporting various Goverment platforms and services.

You will also support business as usual (BAU) and project deliverables where required.

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 act 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.

Essential Skills & Experience required:

To possess current DV Level Security Clearance.essential*

Experience in support and design in highly secure airgapped environments.

Cisco Switching, Routing technologies

Network Security technologies - IPsec, SSL, VPNs, PKI

Cisco Firepower/ASA Firewall installation and Administration

Palo Alto Firewalls/Panorama installation and administration.

Knowledge of NSX-T platform

Knowledge of Virtual Environments and virtual network solutions,(eg VMWare)

Network monitoring and configuration tools - SolarWinds NCM, PRTG, KIWI

Encryption Devices - Catapans, Bulldogs

Cisco VTC technologies, CUCM, CSM, CMM, Expressways, Deskpro's

Copper/Fibre Optic patching

Windows Active Directory, DNS, DHCP, NPAS, Certificate Services

Software Defined Access - Dot1X, IBNS 2.0

Desirable would be any of the following:

NIST hardening guidelines

ITIL Processes

Service Now

BeCrypt OS

Knowledge of Linux

Diodes

Duties include:

As the Senior Network Engineer (DV Cleared) your remit will include the following:

Enterprise LAN/WAN design,optimisationn, and life cycle management

Firewall, IPS/IDS, and network security policy management

Advanced troubleshooting of network performance, connectivity, and security issues

Leading networkmodernisationn, migration, and automation initiatives

Ensuring compliance with security frameworks andorganisationall standards

Collaboration with cross-functional IT teams to deliver secure, scalable solutions

Please be advised that due to the nature of this role, you will be required to be on the client site full time five days per week (No remote working)

If this role is of interest then please email your CV to: (see below)

Certes Computing (and all of its subsidiary companies) is committed to promoting equality and diversity in its business operations.


Reference: 3134660485

https://jobs.careeraddict.com/post/113520652
Certes Computing Ltd

Senior Network Engineer (DV Cleared)

Certes Computing Ltd

Posted on Jul 7, 2026 by Certes Computing Ltd

Print
Milton Keynes, Buckinghamshire, United Kingdom
IT
Immediate Start
£640 - £650 Daily
Contract/Project

GovernmentNetwork Engineer (DV Cleared)

Duration: 6 months

Location: Milton Keynes

Rate: £650 per day

IR35 Status: Inside

Start: ASAP

A Senior Network Engineer (DV Cleared) is required for our Government Client to support various tiered systems and support a wider team of skilled technicians supporting various Goverment platforms and services.

You will also support business as usual (BAU) and project deliverables where required.

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 act 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.

Essential Skills & Experience required:

To possess current DV Level Security Clearance.essential*

Experience in support and design in highly secure airgapped environments.

Cisco Switching, Routing technologies

Network Security technologies - IPsec, SSL, VPNs, PKI

Cisco Firepower/ASA Firewall installation and Administration

Palo Alto Firewalls/Panorama installation and administration.

Knowledge of NSX-T platform

Knowledge of Virtual Environments and virtual network solutions,(eg VMWare)

Network monitoring and configuration tools - SolarWinds NCM, PRTG, KIWI

Encryption Devices - Catapans, Bulldogs

Cisco VTC technologies, CUCM, CSM, CMM, Expressways, Deskpro's

Copper/Fibre Optic patching

Windows Active Directory, DNS, DHCP, NPAS, Certificate Services

Software Defined Access - Dot1X, IBNS 2.0

Desirable would be any of the following:

NIST hardening guidelines

ITIL Processes

Service Now

BeCrypt OS

Knowledge of Linux

Diodes

Duties include:

As the Senior Network Engineer (DV Cleared) your remit will include the following:

Enterprise LAN/WAN design,optimisationn, and life cycle management

Firewall, IPS/IDS, and network security policy management

Advanced troubleshooting of network performance, connectivity, and security issues

Leading networkmodernisationn, migration, and automation initiatives

Ensuring compliance with security frameworks andorganisationall standards

Collaboration with cross-functional IT teams to deliver secure, scalable solutions

Please be advised that due to the nature of this role, you will be required to be on the client site full time five days per week (No remote working)

If this role is of interest then please email your CV to: (see below)

Certes Computing (and all of its subsidiary companies) is committed to promoting equality and diversity in its business operations.

Print

Reference: 3134660485

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