Boundary Managed Service Lead
Job Description
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Job Description:
About DXC Technology
DXC Technology is a Fortune 500 company with over 40 years' presence in the UK. Our Aerospace and Defence Hub in Farnborough delivers critical boundary security and managed services protecting UK defence networks at the organisation perimeter.
About the Role
The Boundary Managed Service Lead oversees the design, implementation and ongoing management of boundary security and managed services protecting defence organisations' network perimeters. You will manage boundary security operations, lead service delivery teams, ensure SLA compliance, and maintain the security posture of critical defence network boundaries. This role requires deep expertise in boundary security technologies, managed service delivery and defence security protocols.
Key Responsibilities
Boundary Service Management & Delivery
Oversee end-to-end boundary managed service delivery including design, implementation and operations
Manage boundary security SLAs, ensuring 100% compliance with availability, performance and security targets
Lead boundary security operations team, ensuring round-the-clock monitoring and threat detection
Manage boundary service P&L and resource allocation across multiple customer accounts
Establish and maintain boundary service quality standards and operational procedures
Boundary Architecture & Security
Design and implement boundary security architectures including firewalls, intrusion detection/prevention and DDoS protection
Architect boundary security solutions aligned with MOD security requirements and defence standards
Design boundary traffic inspection, content filtering and advanced threat protection
Lead boundary security assessments and vulnerability remediation
Implement MOD-compliant boundary configurations and security baselines
Incident Management & Threat Response
Lead boundary security incident detection, investigation and response
Manage security alerts, anomaly investigation and threat escalation
Coordinate incident response across boundary security team and customer security teams
Conduct post-incident reviews and implement preventative measures
Maintain security event logs and provide compliance reporting to MOD
Technology & Service Development
Evaluate and implement boundary security technologies and tools
Design automation and orchestration for boundary security operations
Lead service improvements and operational efficiency initiatives
Manage technology refresh and boundary appliance upgrades
Develop and implement boundary security monitoring and reporting dashboards
Team Leadership & Customer Management
Lead and develop boundary security operations teams
Manage customer relationships and provide executive-level reporting on boundary security posture
Conduct customer reviews and communicate security recommendations
Identify service expansion opportunities and support account growth
Compliance & Security Governance
Ensure boundary services maintain compliance with MOD security standards and regulatory requirements
Implement and maintain security event logging and audit capabilities
Support security compliance assessments and third-party audits
Manage personnel vetting compliance for boundary security team
Essential Requirements
Security Clearance
Must hold DV clearance - Essential
10 years continuous UK residency required
Experience & Expertise
Minimum 10 years' boundary security or network security experience
Minimum 4 years managing boundary security operations or managed security services
Strong background in defence, aerospace or government security programmes
Demonstrated expertise with boundary security technologies (firewalls, IDS/IPS, DDoS protection)
Track record of managing security operations teams and delivering managed services
Technical Knowledge
Expert-level knowledge of firewall technologies, intrusion detection/prevention systems and DDoS mitigation
Strong understanding of network security architecture and boundary security design
Proficiency in security incident investigation and threat analysis
Knowledge of security event management, SIEM and log analysis
Understanding of vulnerability assessment and remediation processes
Familiarity with MOD security requirements, Classification Guides and defence standards
Knowledge of managed service delivery models and SLA management
Personal Attributes
Exceptional leadership and team management capabilities
Outstanding customer engagement and communication skills
Strong decision-making under pressure, particularly in security incidents
Detail-oriented with strong focus on SLA compliance
Commitment to security excellence and continuous improvement
Desirable Requirements
Experience with Palo Alto, Fortinet, Cisco or equivalent enterprise firewalls
Experience with DDoS protection and advanced threat protection platforms
CISSP or CCNP Security certification
Armed Forces or military operations background
Experience managing high-security managed services contracts
What We Offer
Highly competitive salary and comprehensive benefits package
Enhanced pension and private medical insurance
Flexible working and professional development support
Opportunity to protect critical UK defence networks
Application Process & Security Vetting
DV clearance is essential. Applicants must have 10 years continuous UK residency.
Equal Opportunities
DXC Technology is an equal opportunities employer committed to building diverse, inclusive teams.
At DXC Technology, we believe strong connections and community are key to our success. Our work model prioritizes in-person collaboration while offering flexibility to support wellbeing, productivity, individual work styles, and life circumstances. We're committed to fostering an inclusive environment where everyone can thrive.
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