Boundary Managed Service Lead

Hackajob Ltd; Farnborough; On-site; GBP 110,000 - 150,000; Full time

Benefits offered by this job

Competitive salary

Flexible working

Professional development support

Defence sector experience

Job summary

DXC Technology in Farnborough is seeking a Boundary Managed Service Lead to design, implement and run boundary security and managed services protecting defence networks. You will lead service delivery teams, manage SLAs and P&L, and ensure the security posture meets MOD standards with boundary firewalls, IDS/IPS and DDoS protections.

This senior role requires DV clearance, 10 years of relevant experience and a proven record of delivering secure, compliant boundary solutions.

Qualifications

• DV clearance and 10 years in boundary or network security.
• At least 4 years managing boundary security operations or managed services.
• Experience in defence, aerospace or government security programmes.
• Expert knowledge of firewalls, IDS/IPS and DDoS protection.
• Familiarity with MOD security requirements and defence standards.

Responsibilities

• Oversee end-to-end boundary managed service delivery.
• Lead boundary security operations teams and ensure 24/7 monitoring.
• Maintain SLAs, performance targets and security posture.
• Coordinate incident detection, investigation and response.
• Develop and implement security governance and reporting.

Skills

Boundary security

SLA management

Incident response

Team leadership

Security architecture

MOD standards

Firewalls

IDS/IPS

DDoS protection

Security governance

Tools

SIEM

Log analysis

Job description

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 prioritises 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.