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Senior Network Engineer - DV PSR
Published: 9th February 2026
Location
Aldermaston, Reading (100% on site)
Job Type
Consultant
Fieldglass Jobs
Salary
£72.66/hr

Description

Job Title: Senior Network Engineer - DV
Location: Aldermaston, Reading (100% on site)
Contract Duration: 12 Months
Daily Rate: £72.66/hr (Umbrella – Maximum)
IR35 Status: Inside IR35
Security Clearance: DV & Sole UK National
• May be some expensed travel to remote sites but would always try to use perm staff for this first.
• Willingness to work flexibly and to occasionally work evenings and weekends where exceptional circumstances require it.
• Travel to remote sites when required which may involve overnight stays.
• Part of on call rota.
Security Clearance: DV
• Experience of support in a large and complex network environment at a Senior network engineering level
• Good technical investigation and problem-solving skills.
• Juniper Technologies: EX, QFX, switch configuration, SRX, vSRX firewall and policy config, Junos Space, Security Director, Apstra.
• Experience in IT service management and delivery based on ITIL service management standards.
• Experience working with Juniper Virtual Chassis and Clustering technology
• Experience with configuring/troubleshooting EVPN/VXLAN on Juniper equipment.
• Experience of configuring GRE tunnels and Routing Instances/VRFs.
• Experience of PKI / certificate generation and renewal.
• Networking: strong routing skills (OSPF, BGP), firewall configuration, WAN/LAN design, device clustering, high availability.
• Juniper Technologies: EX, QFX, switch configuration, SRX, vSRX firewall and policy config, Junos Space, Security Director, Apstra.
• Security Platforms: FortiGate, F5 BIG-IP (Load Balancing / AWAF), Pulse Secure / Ivanti, high-grade encryption.
• Identity & Access Management: Cisco ISE (full lifecycle), Windows NPS (RADIUS / 802.1X).
• Monitoring & Observability: SolarWinds, Splunk.
• Core Network Services: IPAM, DHCP, DNS.
• Effective communication with technical and non-technical stakeholders.
• Ability to document processes and configurations clearly.

Desirable:
• Juniper and Cisco certification but experience is more important.
• Ideally experience of working in a secure environment.
• Data Centre experience advantageous.
• Extreme Switch knowledge desirable.
• Experience / certification with at least one of the major network vendors. - JNCIS-ENT, JNCIS-DC (preferably JNCIP-DC), JNCIA-SEC

Disability Confident
As a member of the disability confident scheme, CLIENT guarantees to interview all candidates who have a disability and who meet all the essential criteria for the vacancy. In cases where we have a high volume of candidates who have a disability who meet all the essential criteria, we will interview the best candidates from within that group.

Armed Forces Covenant   
CLIENT is proud to support the Armed Forces Covenant and as such, we guarantee to interview all veterans or spouses / partners of military personnel who meet all the essential criteria for the vacancy. In cases where we have a high volume of ex-military candidates / military spouses or partners, who meet all of the essential criteria, we will interview the best candidates from within that group.
If you qualify for the above, please notify us on 0121 794 8181.
We will be in touch to discuss your suitability and arrange your Guaranteed Interview.
Should you require reasonable adjustments at any point during the recruitment process or if there is a more accessible way for us to communicate, please do let me know.

To apply for this role please submit your latest CV or contact Aspect Resources on 0121 794 8181

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