Pulsant Edinburgh, Scotland, United Kingdom
Location: Edinburgh, Maidenhead or Gateshead (3 office days per week in nearest office and 2 from home).
The Senior Network Engineer is a key member of the Network Infrastructure team, ensuring efficient, productive and high quality network services and availability across Pulsant’s multiple UK data‑centres. This role provides subject‑matter technical expertise to external clients and internal team members, primarily assisting them with networking incidents, requests, problems and change requests.
Key responsibilities
Network Design and Planning
* Analyse network requirements and ensure sufficient capacity.
* Select appropriate hardware and software components (Cisco ASR Routers/RP/Line Cards, Juniper MX Routers/Switches).
* Develop and document network architectures.
* Work on automating network processes with other business units.
Implementation and Configuration
* Configure and manage core network devices (routers, switches, firewalls) following change control.
* Implement and test network protocols and capacity (e.g., TCP/IP, routing protocols).
* Ensure network security configurations are compliant.
Troubleshooting and Optimisation
* Identify and resolve network performance issues and bottlenecks through case management within SLA.
* Assist and supervise escalations for other team members.
* Monitor network performance and security to identify improvement areas.
* Optimize network configurations for efficiency, reliability and security.
* Provide post‑incident support and reporting.
Maintenance and Support
* Provide ongoing support and maintenance for the core network infrastructure.
* Ensure network devices are up‑to‑date with the latest software and firmware.
* Document and develop network processes and procedures.
* Provide supervision and guidance for core network engineers.
* Perform CVE analysis, testing and mitigation planning in conjunction with the Cyber team.
What / who we’re looking for
Experience / technical skills
* An experienced Network Engineer, with technical skills and experience as follows:
* Experience configuring, developing and managing network monitoring and performance analysis tools.
* Strong understanding of networking protocols (e.g., TCP/IP, BGP, MPLS, OSPF, EVPN/VXLAN, VRF, L3VPN).
* In‑depth experience with core network devices (e.g., Cisco ASR9XXX, Juniper MX204, Juniper QFX5XXX).
* Knowledge of network security principles.
* Relevant industry certifications such as CCNP/CCIE, JNCIP/JNCIE‑SP.
Soft Skills
* Strong problem‑solving and analytical skills.
* Excellent communication and collaboration skills.
* Ability to work independently and as part of a team to meet deadlines.
* Ability to mentor and support other members of the team.
Pulsant offers
* A supportive work environment focused on career growth, development, work‑life balance and well‑being.
* A friendly, family‑like atmosphere where almost half of the team have been with Pulsant for 5+ years.
* Benefits include 5% pension, private healthcare, cycle‑to‑work scheme, free breakfast and snacks, Udemy licence and more.
Equal opportunity employer statement:
At Pulsant, we are committed to creating a supportive and inclusive environment where everyone feels valued and has a strong sense of belonging. We want all individuals to feel respected, heard, and empowered to contribute and succeed. If there is any way we can support you—such as providing reasonable accommodations during the application or interview process—please note this in your application, or reach out to us by email: careers@pulsant.com.
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