Boundary Managed Service Lead

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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. Recruitment fraud is a scheme in which fictitious job opportunities are offered to job seekers typically through online services, such as false websites, or through unsolicited emails claiming to be from the company. These emails may request recipients to provide personal information or to make payments as part of their illegitimate recruiting process. xwwtmva DXC does not make offers of employment via social media networks and DXC never asks for any money or payments from applicants at any point in the recruitment process, nor ask a job seeker to purchase IT or other equipment on our behalf. More information on employment scams is available here .