Network Engineer Job Description
Use this template to create a clear, role-specific Network Engineer job advert for UK hires. The wording focuses on practical duties, essential skills and the candidate experience to attract engineers who can design, operate and secure business networks.
What does a Network Engineer professional do?
A Network Engineer designs, configures and maintains an organisation's network infrastructure to ensure secure, resilient and high-performance connectivity across sites and cloud services.
Network Engineer job description template
Use this employer-ready example as a starting point, then replace the placeholders and adjust the content so it accurately reflects your vacancy.
Network Engineer
About the role
We are looking for a Network Engineer to design, deploy and support our organisation’s network infrastructure. The successful candidate will manage routers, switches, firewalls and VPNs; monitor performance and resolve incidents; and help deliver network change projects. This role is [permanent/contract], based in [Location] with a [on-site/hybrid/remote] working pattern. Salary: [Insert band].
Key responsibilities
- Design, configure and maintain LAN, WAN and data centre networking equipment (routers, switches, firewalls and load balancers).
- Install, update and patch network devices and firmware, following change control processes.
- Monitor network performance and availability; identify and resolve incidents and root causes.
- Implement and maintain network security controls including firewall rules, VPNs, segmentation and access controls.
- Build and maintain documentation: network diagrams, IP addressing plans, runbooks and configurations.
- Plan and deliver network upgrades and new site connections, coordinating with stakeholders and third-party vendors.
- Automate routine tasks using scripting or automation tools where possible and maintain configuration backups.
- Participate in on-call rota and incident response, providing escalation support as required.
Essential skills and experience
- Demonstrable experience in designing, implementing and supporting enterprise network infrastructure (typically 2+ years for mid-level roles).
- Strong understanding of TCP/IP, VLANs, routing protocols (OSPF, BGP or similar) and switching concepts.
- Experience configuring and managing firewalls, VPN technologies and basic network security practices.
- Ability to diagnose and resolve network incidents using logs, packet captures and monitoring tools.
- Clear written and verbal communication to produce documentation and work with technical and non-technical stakeholders.
- Right to work in the UK.
Desirable
- Industry certifications such as Cisco (CCNA/CCNP), Juniper, or equivalent vendor qualifications.
- Experience with cloud networking (AWS, Azure or GCP) and software-defined networking (SDN).
- Familiarity with automation and scripting (Python, Ansible, Terraform) for configuration and deployments.
- Experience with network monitoring and observability tools (NetFlow, SNMP, Prometheus, Grafana).
- Previous exposure to security technologies such as IDS/IPS, NAC or zero-trust network models.
What we offer
- Competitive salary and annual bonus (employer to specify)
- Pension contributions (employer-specified)
- Paid holiday allowance (details to be provided)
- Training and professional certification support
- Flexible working / hybrid options (employer to confirm)
- Equipment provision and mobile allowance (if applicable)
How to apply
Apply with your CV and any additional information requested. Make the interview process, closing date and any assessment stages clear where known.
Use this as a starting point rather than a final advert. The strongest version will reflect the real role, salary, location, systems, responsibilities, benefits and working arrangements.
What is a Network Engineer role?
A Network Engineer is responsible for the technical design, implementation and ongoing operation of an organisation’s network infrastructure. They ensure connectivity between users, data centres and cloud services while maintaining security, availability and performance. Tasks typically include configuring network hardware and software, monitoring health and responding to incidents, delivering upgrades and documenting network assets and configurations.
Typical duties
Designing, configuring and troubleshooting routers, switches, firewalls and connectivity to cloud services; monitoring and incident response; project work for upgrades and new sites.
Team & reporting
Works within IT or infrastructure teams, often reporting to a Network Manager, Infrastructure Lead or Head of IT and collaborating with security and cloud teams.
Operational focus
Balance of reactive incident handling and proactive work: capacity planning, security controls, automation and documentation to reduce future incidents.
Typical Network Engineer responsibilities
Responsibilities should reflect the real scope of the vacancy rather than every task someone in this profession might ever complete.
Design
Design, configure and maintain LAN, WAN and data centre networking equipment (routers, switches, firewalls and load balancers).
Install
Install, update and patch network devices and firmware, following change control processes.
Monitor network performance
Monitor network performance and availability; identify and resolve incidents and root causes.
Implement
Implement and maintain network security controls including firewall rules, VPNs, segmentation and access controls.
Build
Build and maintain documentation: network diagrams, IP addressing plans, runbooks and configurations.
Plan and deliver network upgrades
Plan and deliver network upgrades and new site connections, coordinating with stakeholders and third-party vendors.
Automate routine tasks using scripting
Automate routine tasks using scripting or automation tools where possible and maintain configuration backups.
Participate in on-call rota
Participate in on-call rota and incident response, providing escalation support as required.
Network Engineer skills and experience to look for
Keep the essential list focused on what the person really needs to perform the role. Move useful-but-trainable experience into desirable criteria.
Usually worth prioritising
- Demonstrable experience in designing, implementing and supporting enterprise network infrastructure (typically 2+ years for mid-level roles).
- Strong understanding of TCP/IP, VLANs, routing protocols (OSPF, BGP or similar) and switching concepts.
- Experience configuring and managing firewalls, VPN technologies and basic network security practices.
- Ability to diagnose and resolve network incidents using logs, packet captures and monitoring tools.
- Clear written and verbal communication to produce documentation and work with technical and non-technical stakeholders.
- Right to work in the UK.
Useful where relevant
- Industry certifications such as Cisco (CCNA/CCNP), Juniper, or equivalent vendor qualifications.
- Experience with cloud networking (AWS, Azure or GCP) and software-defined networking (SDN).
- Familiarity with automation and scripting (Python, Ansible, Terraform) for configuration and deployments.
- Experience with network monitoring and observability tools (NetFlow, SNMP, Prometheus, Grafana).
- Previous exposure to security technologies such as IDS/IPS, NAC or zero-trust network models.
See our guide to what to include in a job advert before publishing.
How to write a Network Engineer job advert
Small role-specific details can make the advert much easier for suitable candidates to assess.
Be specific about technologies
List core vendors and protocols you expect applicants to have worked with (for example Cisco, Juniper, OSPF, BGP, AWS networking) to attract candidates with the right experience.
Clarify the working pattern
Specify whether the role requires regular on-site presence, occasional site visits or a hybrid arrangement — network engineering often needs physical access to equipment.
Set realistic essential criteria
Make only genuinely required skills essential (eg routing/switching experience). Put certifications and cloud skills in desirable to widen the candidate pool.
Describe the on-call and shift expectations
State any rota, out-of-hours support or emergency response duties and how frequently these occur so candidates understand the commitment.
Mention career and training support
Highlight opportunities for vendor certification, cloud training or attendance at conferences to appeal to engineers seeking skills development.
Network Engineer salary considerations
Do not quote a single market salary figure in the advert unless you have a confirmed budget. Instead explain the factors that determine the appropriate salary band for this role and be prepared to state a clear salary range when advertising to attract relevant applicants.
depending on experience
- Use a genuine range
- Separate variable pay
- Avoid “competitive” alone
- Match salary to seniority
What Network Engineer candidates will want to know
Practical details can influence whether a suitable candidate applies, even when the title and salary are attractive.
What are the on-call and out-of-hours expectations?
Provide details on rota frequency, compensation or time-off arrangements and average incident volume to set accurate expectations.
Which vendors and technologies will I be working with?
List key networking vendors, cloud providers and monitoring/automation tools so candidates can assess fit quickly.
Is the role office-based, hybrid or remote, and are site visits required?
Clarify how often physical access to racks or data centres is needed, travel between sites and any relocation support.
What is the size and structure of the IT team?
State team size, reporting lines and whether the role involves mentoring or management duties.
What training or certification support do you offer?
Candidates want to know whether the employer funds vendor courses, exam fees or time for study and professional development.
Where to post a Network Engineer job
Network Engineer roles attract candidates from broad IT job boards, specialist networking communities and professional forums. Use a mix of general UK job boards for volume, sector-specific sites and vendor/community channels (Cisco, Juniper, cloud provider forums) for targeted reach, and share via technical social networks and local university alumni groups when hiring for junior or graduate positions.
Related information technology / telecoms job descriptions
Recruiting for a slightly different role? These templates may be a closer fit.
Network Engineer job description FAQs
Do Network Engineers need specific licences or legal certifications in the UK?
No statutory licences are required for network engineering. Employers commonly value vendor certifications (Cisco, Juniper) and cloud provider qualifications, but these are not legally mandated.
Should I insist on a degree for this role?
A degree can be helpful but is not essential. Practical experience, demonstrable technical skills and certifications are often equivalent and allow a broader candidate pool.
Is it better to hire a permanent engineer or use contractors?
Use permanent hires for long-term platform ownership, knowledge retention and ongoing improvements. Contractors are a practical choice for short-term projects, upgrades or when specialist skills are needed quickly.
What checks should I perform before offering employment?
Standard pre-employment checks include right-to-work in the UK, references and role-appropriate background checks. For sensitive or high-security networks you may require enhanced vetting or security clearance where applicable.
How can I make the vacancy more attractive to experienced engineers?
Be transparent about the network scale, technologies used, on-call expectations and training/support for certifications. Clear career progression, budget for tools and autonomy over technical decisions are also attractive.
Use this template to create your Network Engineer advert
Copy and adapt the advert content above, add your location, salary band and application details, then post to boards and specialist channels to start attracting qualified candidates.
