DXC Technology
Security Engineer
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Security Engineer
Senior Security Engineer
LOCATION: Central London or Tewkesbury – 5 days on site
Due to security clearance requirements, candidates must be eligible for or currently hold SC or DV. Candidates must be sole UK National/British citizen and have resided in the UK for 10+ years.
At DXC Technology
DXC Technology is dedicated to fostering diverse, inclusive teams where everyone can grow. We welcome applications from women, underrepresented groups, and neurodivergent candidates and are committed to offering reasonable adjustments throughout the hiring process.
Our mission is to deliver excellence for customers and colleagues through:
- Secure, mission-critical services
- A culture prioritising people, community, and a healthy work-life balance
- Continuous growth, with access to training and development tools
- Innovation and modernisation of operations across the board
At DXC, "Building a better you, builds a better us."
About the Role
Our platinum client is seeking a Senior Security Engineer to:
- Support, maintain, and enhance large-scale security platforms
- Drive the development and delivery of new security capabilities
This role is perfect for experienced engineers who thrive in technical environments and can: ✔ Manage high-favenor complex security challenges ✔ Implement, innovate, and refine security solutions
Key Responsibilities
- Provide second- and third-line technical support for security platforms, including:
- Incident & problem management
- Timely resolution in line with SLAs (Service Level Agreements)
- Monitor platform performance and proactive issue resolution to ensure reliability
- Develop and maintain technical documentation (operational procedures, system configurations, knowledge base)
- Lead the analysis, design, implementation and support of:
- Security toolsets and integrations
- Collaborate with the Account Security Team to improve security processes, controls, and policies
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What You Will Bring to the Team
- Strong organisation and time management with the ability to juggle high priority tasks
- Hands-on ITIL experience in incident, problem, and change management
- Continuous improvement mindset with problem-solving skills
- Focus on root-cause analysis for long-term solutions
- Collaborative approach—to share knowledge, learn, and adapt
- Proactive & analytical with risk mitigation at the forefront
- Ability to predict and pre-empt challenges
- Experience developing and enhancing security capabilities within client environments
Desirable Skills & Technologies
Core Expertise:
- Knowledge of networking principles and system communication
- Experience in planning, design, and ongoing management of security platforms down cloud and on-prem environments, including:
- Endpoint Security (e.g. Trellix (McAfee), Symantec (Broadcom))
- Vulnerability Management (e.g. Qualys, Tenable)
- Privileged Access Management (e.g. Cyber Ark, HashiCorp)
- Cloud Security (AWS's Guard Duty/Inspector/Security Hub & Azure’s Sentinel, Defender)
Infrastructure & Security Know-how:
- Proficiency in Windows/Linux Operating Systems
- PKI exposure
- Security monitoring experience
- Anti-Virus, Endpoint Protection, and Firewall management
- Application & device control
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Tooling & Automation:
- Familiarity with Git, Ansible, Terraform, Docker—including security implications
- Strong scripting skills in PowerShell, Bash or similar
Governance & Communication:
- Foundational understanding of GRC (Governance, Risk & Compliance) frameworks
- Ability to clarify complex technical concepts for all stakeholders
Proof-of-Concept (PoC) Development:
- Talent for designing and delivering real-world evaluations of security tools and integrations
What We Offer
- Competitive compensation package
- Pension scheme
- DXC Select (see further details below)
- Perks at Work (technology, grocery, travel discounts)
- DXC Incentives (employee recognition, lunches, social events)
- Flexible, supportive culture featuring:
- In-person collaboration & hybrid flexibility
- Focus on wellbeing, productivity & personal autonomy
- Inclusive community where careers flourish
DXC Select Benefits: 🏥 Private health/medical insurance 👶 Childcare vouchers 💪 Gym membership
Security Recruitment Integrity
Employment scams are common. Never host a recruiter you did not research. DXC does:
- Never make job offers via social media.
- Never ask applicants to pay for anything during recruitment.
- Never request employment-related equipment purchases (e.g. laptops, IT tools) upfront.
More info: ['*Supporting employment authenticity*'](placeholders"
Full details: (Mock link area removed)
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