Senior Security Engineer

Company: hackajob
Apply for the Senior Security Engineer
Location: London
Job Description:

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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Posted: May 17th, 2026