Job Specifications
Job Description – Network Engineer
Role Title: Network Engineer
Department: IT Infrastructure / Networks
Employment Type: 12 months can go perm
Reports To: Network Manager
Role Overview
The Network Engineer is responsible for designing, implementing, and supporting secure, scalable, and highly available network infrastructure. The role involves working across routing, switching, firewalls, WAN/LAN, wireless technologies, and network security to ensure reliable connectivity for business operations.
Key Responsibilities
Network Design & Implementation
Design, configure, and deploy enterprise-level network solutions across LAN, WAN, WLAN, and data centre environments.
Implement routing and switching protocols (BGP, OSPF, EIGRP, STP, VLANs, VXLAN).
Support firewall deployments and configurations (Cisco, Palo Alto, Fortinet, Check Point).
Operations & Support
Monitor network performance and troubleshoot issues across on‑premises and cloud environments.
Perform root‑cause analysis for major incidents and implement long‑term fixes.
Manage upgrades, hardware refreshes, patching, and firmware updates.
Security & Compliance
Ensure network environments align with security standards and best practices.
Maintain network segmentation, access control policies, and VPN configurations.
Conduct vulnerability remediation and support security audits.
Documentation & Collaboration
Maintain up‑to‑date network diagrams, inventories, and configuration documentation.
Work with cross‑functional teams (cloud, security, infrastructure, service desk).
Support project delivery through planning, testing, and implementation.
Key Skills & Experience
Technical Skills
Proven experience with enterprise network technologies (Cisco, Juniper, HP, Aruba).
Strong knowledge of routing/switching protocols and network topologies.
Experience with firewalls, load balancers, and proxy technologies.
Working knowledge of SD‑WAN solutions.
Familiarity with cloud networking (Azure/AWS), VPN, DNS, DHCP, NAC, and wireless standards.
Network monitoring tools (SolarWinds, PRTG, ThousandEyes, etc.).
Professional Skills
Strong analytical and troubleshooting capabilities.
Ability to work under pressure in high‑availability environments.
Excellent communication and documentation skills.
Stakeholder management and cross‑team collaboration.
Qualifications
Bachelor’s degree in Computer Science, Information Technology, or related discipline (preferred).
Professional certifications (any of the below):
CCNA / CCNP
JNCIA / JNCIS
CompTIA Network+ / Security+
Palo Alto PCNSE
ITIL Foundation
Desirable Experience
Exposure to automation (Python, Ansible).
Hands-on experience with cloud networking (Azure ExpressRoute, AWS Direct Connect).
SD‑WAN deployments and network virtualisation.
About the Company
Sparta Global is the first B Corp certified HTD provider, a top 15 employer for Social Mobility, Princess Royal Training Award winner, and official Women Returners partner, that now hires, trains, and deploys diverse technology talent to more than 100 public and private sector organisations across the UK and Ireland.
We believe the future of tech talent must be reflective of society today – innovative, creative and diverse. This is why Sparta Global provides award-winning technology training and career opportunities to p...
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