Senior Security Engineer

Senior Security Engineer

Location: Central London – on site 5 days per week.

Security clearance required: Eligible for or currently hold SC or DV, must be a sole UK national/British citizen and have resided in the UK for 10 years or more.

Role Responsibilities

• Provide second and third level technical support on incidents and problems.
• Monitor overall system performance and ensure smooth system functionality.
• Create, maintain, and utilise documentation.
• Consult on requirements, design, implementation and maintenance of security toolsets and integrations.
• Assist the Account Security Team with processes and policies.

What You Will Bring To The Team

• Excellent organization and time‑management skills.
• Experience working to ITIL best practices.
• Desire to improve processes and identify root causes of problems.
• Willingness to share knowledge and learn from others.
• Proactive approach to identifying risks and problems.
• Assist in shaping future security services for key client accounts.

Desirable Skills And Technologies

• Solid knowledge and understanding of networking.
• Experience designing, implementing and managing security toolsets in on‑premises and cloud environments.
• Knowledge of operating systems, PKI, anti‑virus, firewalls, device and application control, privileged access management, vulnerability management, security monitoring.
• Comfortable with scripting (e.g., PowerShell, Bash).
• Good understanding of non‑functional/quality requirements in security toolset designs.
• Strong awareness of governance, risk and compliance.
• Awareness of modern technology tools (Git, Ansible, Terraform, Docker) and related security considerations.
• Ability to communicate technical solutions to diverse stakeholders, including non‑technical audiences.
• Ability to plan, design and demonstrate proof‑of‑concepts for security toolsets.

What We Will Do For You

• Competitive compensation.
• Pension scheme.
• DXC Select – comprehensive benefits package, including private health/medical insurance, childcare vouchers, gym membership and more.
• Perks at Work – discounts on technology, groceries, travel and more.
• DXC incentives – recognition tools, employee lunches, regular social events.

DXC Technology is an equal opportunity employer. We value diversity and inclusion, and all hiring decisions are based on skills and experience.

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