Teksystems

Teksystems

South East London, London

SC Cleared Security Engineer

Full-Time£40,000 - 70,000 per yeardünUnited Kingdom
IT

Job Description

Salary: £40,000 - 70,000 per year

Requirements:
  • We require active SC clearance.
  • We require proven experience in security engineering.
  • We require proficiency in F5, BIG-IP, virtual servers, load balancing concepts, and SSL offloading.
  • We require hands-on experience with firewall technologies, particularly Check Point and Cisco ASA, including policy management, NAT, and troubleshooting.
  • We require strong ability to perform network maintenance and handle security configurations.
Responsibilities:
  • We provide technical support for network security infrastructure.
  • We monitor network performance to ensure system availability and reliability.
  • We troubleshoot complex networking issues involving multiple systems and layers of infrastructure.
  • We perform network maintenance and system upgrades, including service packs, patches, and security configurations.
  • We participate in planning, design, and implementation of network security measures to protect systems and data.
  • We conduct regular system audits to identify vulnerabilities and ensure compliance with security policies and regulations.
  • We collaborate with IT teams to integrate security protocols into network architecture and operations.
  • We deploy and maintain network security devices such as firewalls, intrusion detection systems, and VPNs.
  • We respond to and recover from security incidents, including conducting post-event analyses to prevent future incidents.
  • We stay updated on the latest cybersecurity threats and trends, as well as advancements in network security technologies.
Technologies:
  • Cisco
  • Firewall
  • Support
  • Load Balancing
  • NAT
  • Network
  • Security

More:

We are offering a fully remote contractor opportunity for an SC Cleared Security Engineer, initially for six months with the expectation of extensions. The role is based in Reading, UK, and offers a daily rate of GBP 350.00 to 400.00. We are part of the TEKsystems and Allegis Group network of companies, operating as an employment business and agency.

last updated 33 week of 2026

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About Teksystems

Teksystems

Teksystems

South East London

IT

Skills & Technologies

AIUI

Inferred from job description

Salary Insight

£55,000

This role

£60,000

UK median

This salary is 8% below the UK median for Software Engineers60,000/yr).

Based on 2024–2025 UK technology sector benchmarks

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