Senior Security Engineer

Company: DXC Technology
Apply for the Senior Security Engineer
Location: City of Westminster
Job Description:

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

  • Assist the Account Security Team with processes and policies


Qualifications



  • Excellent organisation and time management skills

  • Willingness to work to ITIL best practices

  • Desire to improve processes; willingness to identify root causes of problems

  • Willingness to share knowledge and learn from others

  • Proactive approach toward identifying risks and problems

  • Assist in shaping future security services on key client accounts


Desirable Skills and Technologies



  • Solid knowledge and understanding of networking

  • Design, implementation and ongoing management of security toolsets and technologies within on-premises and cloud environments

  • Experience or 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)

  • Strong understanding of non-functional/quality requirements within security toolset designs

  • Awareness of governance, risk and compliance

  • Awareness of modern technology tools (e.g., Git, Ansible, Terraform, Docker) and their security considerations

  • Ability to communicate key details of technical solutions to a variety of stakeholders, including non-technical audiences

  • Ability to plan, design and demonstrate proof-of-concepts for security toolsets


Security clearance and nationality


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 or more.

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Posted: July 11th, 2026