Net Consulting is seeking a highly experienced and technically proficient
3rd Line Lead Infrastructure Engineer
to lead the delivery and support of complex infrastructure solutions across secure environments. This role is ideal for a senior engineer with deep expertise in container orchestration, networking, virtualisation, and enterprise monitoring and security platforms, who is ready to take ownership of technical leadership and mentoring responsibilities.
Based primarily at a client site in Corsham, Wiltshire, with travel to other customer locations. You will lead a team of 3rd line engineers, act as the final escalation point for critical issues, and work closely with architects and stakeholders to shape infrastructure strategy and delivery.
You must be eligible for UK Security Check (SC) clearance, with the potential to progress to Developed Vetting (DV) clearance.
Responsibilities
Lead the 3rd Line Infrastructure Support Team, providing technical direction, mentoring, and oversight
Act as the final escalation point for complex infrastructure issues across:
Kubernetes, K3s, OpenShift, Podman, Rancher
Dell servers, Cisco firewalls, Juniper and Cisco switches
Brocade fabric switches, SAN storage, VMware, VDI
SolarWinds, Endace packet probes, Gigamon, Nexor data diodes
ESXi and KVM Hypervisors
Windows Server OS
RedHat Enterprise Linux OS
Collaborate with architects and project teams to design and implement robust, scalable infrastructure solutions
Own and drive root cause analysis for major incidents and recurring problems
Ensure documentation, standards, and procedures are maintained and continuously improved
Champion automation, infrastructure-as-code, and continuous improvement initiatives
Represent the infrastructure team in technical governance, change advisory boards, and stakeholder meetings
Support capacity planning, performance tuning, and lifecycle management of infrastructure assets
Participate in and lead on-call rotations for high-priority incidents
Skills & Experience
Essential
Extensive experience in a 3rd line infrastructure support or senior systems engineering role
Proven leadership experience, including mentoring and team coordination
Deep technical expertise in:
Container platforms: Kubernetes, OpenShift, K3s, Podman, Rancher
Networking: Cisco firewalls/switches, Juniper switches, Brocade fabrics
Storage & Virtualisation: SAN, VMware ESXi, VDI, KVM Hypervisor
Monitoring & Security: SolarWinds, Endace, Gigamon, Nexor
Operating Systems: Windows Server, Linux
Strong diagnostic and troubleshooting skills across complex, multi-vendor environments
Excellent communication and stakeholder engagement skills
Eligible for UK SC clearance
Full UK Driving Licence
Desirable
Experience with infrastructure automation (e.g., Ansible, Terraform)
Scripting skills (e.g., PowerShell, Bash, Python)
Familiarity with ITIL processes and secure government environments
Exposure to MOD or defence sector standards and compliance
Person Specification
Integrity & Professionalism
: Demonstrates honesty, ethical behaviour, and professionalism in all interactions, reflecting NCL's commitment to transparency and trust
Customer Focus:
Committed to delivering value and building long-term partnerships with clients by understanding their needs and exceeding expectations
Collaboration:
Works effectively as part of a team, contributing to shared goals and supporting colleagues across departments
Adaptability:
Thrives in a fast-paced, evolving environment and is able to manage changing priorities with resilience
Accountability:
Takes ownership of tasks and decisions, showing initiative and responsibility in delivering high-quality outcomes
Curious and proactive?in learning new technologies and staying current with cyber threats and security trends
Clear communicator, able to explain technical issues to both technical and non-technical audiences
Detail-oriented, with strong analytical and problem-solving skills
Committed to sustainability, showing awareness of environmental and social responsibility in the workplace
Health & Wellbeing Awareness: Values a positive work/life balance and contributes to a supportive and respectful working environment
Company Benefits
Competitive Salary
Workplace Benefits: Contributory Pension Scheme, Private Medical Insurance, Life Assurance, Critical Illness Cover, Health & Wellbeing
25 Days' Annual Leave (in addition to Bank Holidays)??
Performance Bonuses (Personal & Company)
Excellent Career Progression Opportunities
On-call/call-out allowance, where applicabl
Job Types: Full-time, Permanent
Benefits:
On-site parking
Schedule:
Monday to Friday
Work Location: In person
Reference ID: NCL
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