Senior Network Engineer

Experienced Network Engineer

Company:

Boeing Defence United Kingdom Limited

Primary Tasks:

• Tier 2 and 3 network support. Mostly remote support of 2 datacentres with some travel to sites in Corsham, Farnborough, Milton Keynes, Bicester and Waddington.

• Troubleshooting complex network issues including raising tickets with vendors if required.

• Planning and implementation of upgrades and hardware refresh with some out-of-hours and weekend work required.

• Liaising with other functional teams in Infrastructure and application teams.

• Participation in a shift pattern covering 7AM – 7PM Monday to Friday.

• Hybrid working based in Bristol.

• On-call support 1 week in 3.

Key Skills:

• Cisco ACI

  • Configuration of switching fabric (multi-pod spine-leaf architecture), tenants, application profiles, EPGs (Endpoint Groups), and contract management.

  • Experience with Cisco Nexus 9000 switches.

  • Ability to use Ansible (playbooks/roles), Python, and REST APIs to automate network configurations and policy enforcement.

  • Experience using Cisco APIC, SNMP, and telemetry tools to diagnose issues. 

• ASA / Firepower

  • In-depth experience with Cisco ASA and Firepower to manage firewall policies, ACLs, and NAT configurations.

  • Managing high-availability by setting up Active/Standby or Active/Active modes, configuring failover interfaces, monitoring via CLI/ASDM, and managing failover criteria.

• Catalyst IOS XE

  • Solid knowledge of OSPF, BGP, NAT, VLANs, and Layer 2/3 technologies (Spanning Tree, EtherChannel).

  • Proficiency in configuring Site-to-Site VPNs (IPsec) using ASDM and CLI.

• F5 BIG-IP Local Traffic Manager

  • Proficient in setting up Virtual Servers, Pools, Nodes, and Profiles (TCP, HTTP, SSL).

  • Ability to write and troubleshoot TCL-based iRules for custom traffic routing and manipulation.

  • Managing certificate installation, SSL profiles, and offloading encryption to reduce server load.

  • Configuring device groups, failover scenarios, and synchronization.

• General networking skills

• • Experience using tools like Xabbix, SolarWinds, or Splunk for network monitoring / troubleshooting.

  • In-depth knowledge of TCP/IP, DNS, DHCP, and ICMP. 

  • Use of Wireshark and packet-tracer commands to diagnose connectivity issues.

  • Managing, configuring, and supporting Infoblox Core Network Services (DNS, DHCP, and IPAM—commonly known as DDI)

Language Requirements:

Not Applicable

Education:

Not Applicable

Relocation:

Relocation assistance is not a negotiable benefit for this position.

Security Clearance:

This position requires the ability to obtain United Kingdom Security Check.

Visa Sponsorship:

Employer will not sponsor applicants for employment visa status.

Contingent Upon Award Program

This position is not contingent upon program award

Shift:

Not a Shift Worker (United Kingdom)