Boundary Security Lead – Network Defense & Zero Trust

DXC Technology Inc.; United Kingdom; On-site; GBP 90,000 - 130,000; Full time

Job summary

DXC Technology Inc. is seeking an experienced Managed Service Lead (Network Security) for an onsite Hampshire role. You will oversee boundary security services, gateways, firewalls, CDS, and data transfer controls, ensuring compliance with defence standards and Zero Trust principles.

You will line-manage engineers and analysts, drive service performance, and coordinate with clients, partners, and risk authorities to meet stringent regulatory requirements.

Qualifications

• Bachelor's degree in Cyber Security, Computer Science, Information Technology, Network Engineering, or equivalent practical experience.
• Typically, 7+ years of experience in cyber security, network security, or security managed service delivery, including leadership responsibilities.
• Experience operating and governing services within accredited defence, government, or highly regulated environments.
• Security certifications such as CISSP, CISM, CRISC, ITIL, PMP, CCNP Security, Palo Alto PCNSE, Check Point CCSE, Fortinet FCSS/NSE, or equivalent.
• Security clearance (SC/DV) or eligibility to obtain clearance.
• Strong knowledge of client security policies, NCSC guidance, Cyber Essentials Plus, ISO 27001, and security assurance processes.

Responsibilities

• Lead the operational management, governance, and assurance of boundary security services.
• Ensure the availability, resilience, performance, and compliance of DMZ managed service security capabilities.
• Manage and develop multidisciplinary teams of security engineers, analysts, and service specialists.
• Serve as the senior escalation point for boundary-related security incidents and coordinate response.
• Ensure change, configuration, release, and accreditation processes within regulated environments.
• Maintain compliance with security standards, accreditation requirements, client policies, and NCSC guidance.
• Drive continual service improvement and service performance optimisation.

Skills

Cyber security leadership

Network security

Boundary security

Stakeholder management

Incident response

Change management

Risk management

Zero Trust

Education

Bachelor's degree in Cyber Security / CS / IT / Network Engineering

Tools

Palo Alto

Check Point

Fortinet

Cisco Firepower

CDS

SIEM

Job description

DXC Technology Inc. is seeking an experienced Managed Service Lead (Network Security) for an onsite Hampshire role. You will oversee boundary security services, gateways, firewalls, CDS, and data transfer controls, ensuring compliance with defence standards and Zero Trust principles.

You will line-manage engineers and analysts, drive service performance, and coordinate with clients, partners, and risk authorities to meet stringent regulatory requirements.