3rd Line Infrastructure Engineer Lead

Corsham, ENG, GB, United Kingdom

Job Description

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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Job Detail

  • Job Id
    JD3316060
  • Industry
    Not mentioned
  • Total Positions
    1
  • Job Type:
    Full Time
  • Salary:
    Not mentioned
  • Employment Status
    Permanent
  • Job Location
    Corsham, ENG, GB, United Kingdom
  • Education
    Not mentioned