Network SRE - DC – Network WAN
Summary
Senior Network SRE designs, secures, and automates enterprise WAN/DC networks, troubleshooting multi-vendor routing, switching, and firewall stacks while leading incident response and observability.
Hi
Title
of role – Network SRE - DC – Network WAN
Location
– London Onsite
Employment
Type – Contract – 6 Months
Job
Description: Senior Network SRE (London)
Role
Overview:
We are seeking a highly experienced Senior Network Site
Reliability Engineer (SRE) to join our global network operations team.
This role is critical in ensuring the reliability, scalability, and performance
of our network infrastructure. You will lead incident responses,
troubleshoot complex issues, and drive automation initiatives
to maintain world-class network services.
Required
Skills:
- Minimum 10 years’ hands-on experience in network
engineering and operations.
- Deep expertise in
routing, switching, firewalling, and wireless across multiple
vendors.
- Strong
troubleshooting skills, including overlay/underlay network
understanding.
- Proficiency in
Linux/Unix environments.
- Experience
with automation and monitoring platforms.
- Ability
to work independently, set technical direction, and mentor others.
- Tools
- Netbox / Nautobot
- Prometheus
/ VictoriaMetrics
- Salt
- Networking
(either one of the following)
- EVPN
Segment routing (although I would accept someone with significant MPLS
depth on their resume)
Key
Responsibilities
- Lead Incident Management: Own and resolve
critical network incidents, manage outages, and provide expert
guidance during high-pressure situations.
- Advanced Troubleshooting: Diagnose and
resolve complex issues across routing, switching, firewalling, and
wireless domains.
- Technical Leadership: Set technical direction, mentor junior engineers,
and foster a culture of operational excellence.
- 24/7 Operations: Participate in a shift-based model to ensure
continuous availability of critical network services.
- Multi-Vendor Expertise: Operate across
diverse environments including Arista, Cisco, Cumulus, Spectrum Ethernet,
InfiniBand, Palo Alto, Check Point, Mist, Aruba, A10, Netscaler, and
F5.
- Security & Segmentation: Support network
segmentation, policy enforcement, and VPN solutions (GlobalProtect,
AnyConnect).
- Automation & Observability: Utilize tools
like Grafana, Big Panda, ServiceNow, ITMP, syslog, Splunk, Salt,
Ansible, and Prometheus to enhance monitoring and
automation.
- Innovation Projects: Collaborate on wireless design and AI cluster
deployments to support cutting-edge initiatives.
Preferred
Skills
- Experience
with InfiniBand and AI cluster deployments.
- Familiarity
with network asset management systems (e.g., Nautobot).
- Wireless
design experience with Cisco, Mist, Aruba.