Join this established Cyber team on a large Defence site, working within the Security Services environment while also performing administration duties across Windows and Linux-based Server Infrastructure, Security Appliances, Network Infrastructure, Virtual Environments, and Storage. This is an opportunity to become involved in the world of Defence and Science, where no two days are the same.
Initially, you will be based on-site in Portsmouth or Salisbury for the first 8 weeks to learn this account. Afterward, you will be on-site 2 days per week.
You need to be eligible for DV Clearance.
What you'll be doing:
* Responding to ServiceNow incidents.
* Resolving email and web browser issues.
* POI Investigations.
* Handling and maintaining an on-prem Splunk solution.
* 3rd/4th line Network Issues.
What you’ll bring:
* Experience managing and maintaining Splunk solutions.
* 3rd/4th line Network Security support experience in an Enterprise environment working to challenging SLAs.
* Advanced Firewall and Proxy administration (including installation, configuration, and fault finding).
* Recent experience working within security environments.
* Understanding of Networks, Routers, DMZ, and Switches.
* Extensive Core Linux administration skills.
* Core MS Windows administration skills.
* Experience with VMware vSphere virtualization systems.
* Ability to perform root cause analysis across protocols and topologies (TCP/IP, HTTP & HTTPS, SMTP, FTP, DNS, DHCP, X500).
* Knowledge of ITIL (ITIL Foundation certificate or experience working in ITIL environments).
* Previous experience with project delivery and implementation of detailed designs.
* Knowledge of MoD, CESG, and other mandated government IT legislation.
* Security certification such as CISSP or equivalent.
If you're interested but unsure if your skills match exactly, please apply — we’d love to hear from you!
Employment Details:
o Type: Permanent
o Location: Portsmouth or Salisbury
o Security Clearance Level: Eligible for DV Clearance
o Salary: Up to £55K
o Benefits: 25 days annual leave (plus options to buy additional days), health cash plan, life assurance, pension, and flexible benefits fund
Interested in learning more about us?
Sopra Steria’s Aerospace, Defence and Security division designs, develops, and deploys digital solutions for Central Government clients. Our work significantly contributes to National Security in a unique and privileged environment.
We promote professional development, mentorship, and knowledge sharing, fostering a supportive culture where employees feel valued and proud of their impactful work in complex safety- and security-critical markets.
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