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Leidos

Cyber Security Engineer

Leidos

Published 08 May 2026
Huntingdon, UK
48K - 61K GBP Annual
Full Time

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Role Highlights

Languages used

Python

Key skills

Machine Learning
CICD
Customer Success
IAC
Security Engineer
Cyber Security
Cloud Security
GitHub Actions
Network Security
IAM
Security Testing
Search
SIEM
FireWalls
Authentication
Operations
Devops
Containers
Deployment
Infrastructure
Automation
Data
Scripting
API
Transformation
AI

Tools, Libraries and Frameworks

GitLab CI
IDS
IPS
OWASP
RBAC
NIST
Kubernetes
SonarQube
Terraform
Vault
Jenkins
Istio
Rest
PowerShell
OAuth
Ansible

Description

The role involves providing cybersecurity engineering services for both classified and unclassified computer networks. Professionals in this position perform operational and engineering support to maintain a strong security posture. Responsibilities include developing solutions to complex technical issues and ensuring systems align with baseline security requirements. The work requires collaborating with security monitoring teams to manage log forwarding and SIEM capabilities. Additionally, the role entails developing new policies, processes, and technical designs in coordination with customers and agencies. Engineers also assess system vulnerabilities, implement risk mitigation strategies, and validate the security of products and systems.

Required Qualifications and Skills

Candidates must possess strong knowledge of network and system security, including firewalls, IDS/IPS, and host security. Practical experience with specific security products such as Trellix, Ivanti, ClearSwift, and Yubikey is required, alongside expertise in identity and access management. Applicants need an understanding of secure coding practices, incident detection, and regulatory frameworks like NIST and CIS Benchmarks. Furthermore, the role requires administrative-level experience with Kubernetes and a security clearance of Developed Vetting (DV).

Disclaimer

Disclaimer: Job and company description information and some of the data fields may have been generated via GPT-4 summarisation and could contain inaccuracies. The full external job listing link should always be relied on for authoritative information.

About the company

Leidos

Size

33167

Founded

HQ

Reston, US

Public/Private

Public Company

Description

Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. Our 47,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $14.4 billion for the fiscal year ended December 30, 2022. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead, visit careers.leidos.com for our latest opportunities.

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