Job Description
Job Description
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hackajob is collaborating with DXC Technology to connect them with exceptional professionals for this role.
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Candidates should take the time to read all the elements of this job advert carefully Please make your application promptly.
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Job Description:
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About DXC Technology
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DXC Technology is a Fortune 500 global technology services company with over 40 years' presence in the UK, recently establishing its Aerospace and Defence Hub in Farnborough. We deliver critical network solutions supporting defence and aerospace organisations operating in highly secure, mission-critical environments.
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About the Role
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The Network Architect designs, implements and manages enterprise-scale secure network infrastructures for defence and aerospace clients. You will lead the development of network strategies, architect secure multi-site connectivity solutions, and ensure networks support both current operations and future modernisation programmes. This role demands deep technical expertise in network technologies, security architecture and MOD-compliant network design.
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Key Responsibilities
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Network Architecture & Design
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- Design enterprise-scale secure network architectures supporting defence operations
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Architect multi-site connectivity solutions including WAN, MPLS, SD-WAN and hybrid cloud network designsDesign segmented network architectures incorporating zero-trust security modelsLead network technology selection and recommend solutions aligned with security and operational requirementsDesign network resilience, failover and disaster recovery capabilitiesn
Security & Compliance Integration
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- Architect network security controls including firewalls, intrusion detection/prevention and advanced threat protection
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Design network segmentation and access control frameworks aligned with MOD Classification GuidesEnsure network designs comply with Defence Security Policy and ITAR regulationsLead network vulnerability assessment and remediation planningCollaborate with security architects on integrated defence-in-depth network strategiesn
Network Modernisation & Implementation
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- Lead design and implementation of network modernisation programmes (legacy to SD-WAN, 4G/5G integration)
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Guide cloud-ready network architectures supporting hybrid and multi-cloud strategiesDesign software-defined networking (SDN) solutions and network function virtualisation (NFV) implementationsLead network infrastructure migrations and technology transitionsn
Technical Leadership & Governance
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- Lead network technical teams and provide architectural mentoring
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Establish network design standards, architecture patterns and operational governanceDrive technical decision-making through network design reviewsDocument network architecture decisions and design specificationsn
Performance, Optimisation & Operations
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- Design QoS policies and traffic management strategies supporting mission-critical applications
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Optimise network performance, bandwidth utilisation and latencySupport network capacity planning and scalability assessmentsEstablish network monitoring, troubleshooting and operational support frameworksn
Customer & Stakeholder Engagement
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- Serve as primary technical authority for network architecture discussions with customer leadership
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Present network recommendations to senior stakeholders and defence programme teamsManage network architecture workshops and customer design validation activitiesn
Essential Requirements
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Security Clearance
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- Must hold or be eligible to obtain DV clearance – Essential
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10 years continuous UK residency requiredn
Experience & Expertise
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- Minimum 12 years' network engineering experience with 5+ years in architecture role
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Proven experience designing enterprise-scale secure network infrastructuresStrong background in defence, aerospace or government network programmesDemonstrated expertise with WAN, MPLS, SD-WAN and cloud-ready network designsTrack record of leading network modernisation and infrastructure transformation programmesn
Technical Knowledge
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- Deep expertise in network design methodologies and architecture frameworks
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Expert-level knowledge of network technologies including routing, switching, firewalls and VPNStrong understanding of SD-WAN, software-defined networking (SDN) and network virtualisationProficiency in cloud networking (AWS, Azure, or equivalent) and hybrid connectivity modelsAdvanced knowledge of network security architecture including zero-trust security modelsUnderstanding of 4G/5G network technologies and wireless integrationFamiliarity with MOD security requirements, Classification Guides and defence contractor complianceKnowledge of network monitoring, analytics and optimisation toolsn
Personal Attributes
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- Exceptional strategic thinking with strong technical depth
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Outstanding communication and presentation capabilitiesStrong problem-solving and analytical skillsProven ability to lead technical teams and influence senior stakeholdersCommitment to security excellence and operational resiliencen
Desirable Requirements
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- Previous DV or SC clearance
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Experience with defence and aerospace network programmesCCNP, JNCIP or equivalent advanced network certificationExperience with network security specialisations (CCNP Security, CISSP)AWS/Azure networking certificationsKnowledge of ITAR compliance and export controlsn
What We Offer
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- Highly competitive salary and comprehensive benefits
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Enhanced pension and private medical insuranceFlexible working and professional development supportOpportunity to architect critical networks for major defence organisationsn
Application Process & Security Vetting
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Applicants should be aware that DV clearance is essential and the vetting process typically takes 6-9 months. Applicants must have 10 years continuous UK residency.
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Equal Opportunities
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DXC Technology is an equal opportunities employer committed to building diverse, inclusive teams.
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Document Version: 1.0 | Last Updated: July 2026
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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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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. 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. xohmjla More information on employment scams is available here.
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