Network Operations Engineer

Centerprise International; Caerphilly; Hybrid; GBP 35,000 - 50,000; Full time

Job summary

A leading ICT supplier in the UK is looking for a proactive Network Operations Support Engineer to provide technical support for network infrastructure. You will handle complex troubleshooting and ensure optimal performance of network systems. Candidates should have significant experience with Cisco and Fortinet devices, knowledge of network security, and ability to implement high-availability solutions. This role offers hybrid working arrangements and a supportive team environment.

Benefits

25 days holiday entitlement

Pension scheme options

Electric Vehicle salary sacrifice scheme

Hybrid working arrangement

Private Medical Insurance

Qualifications

• Significant experience supporting and troubleshooting complex multi-site LAN/WAN environments.
• Advanced configuration and management of Cisco, Fortinet, Juniper devices.
• Strong understanding of network security concepts.

Responsibilities

• Provide 2nd/3rd line support for network-related incidents.
• Monitor network performance and implement improvements.
• Respond to escalations and resolve complex technical issues.

Skills

Support and troubleshoot complex multi-site LAN/WAN environments

Advanced configuration of Cisco, Fortinet, Juniper

Knowledge of OSPF, BGP, EIGRP

Understanding of network security concepts

Experience with VLAN design

Wireless networking knowledge

Network monitoring and troubleshooting tools like Wireshark

Network automation and scripting (Python, Ansible)

Experience with cloud networking (Azure/AWS)

High-availability solutions implementation

Education

Cisco CCNA/CCNP or equivalent certification

CompTIA Network+

Microsoft Certified: Azure Administrator Associate

AWS Certified Solutions Architect – Associate

ITIL Foundation

Job description

Benefits

• 25 days holiday entitlement rising to 28 days after 5 plus years’ service
• Holiday Purchase Scheme
• 2 days for personal wellbeing
• Pension – including option to join Salary Sacrifice/Exchange for Pension scheme (SXP) (subject to eligibility criteria)
• Electric Vehicle salary sacrifice scheme (subject to eligibility criteria)
• Death in Service – x4 basic salary
• Private Medical Insurance available, partially subsidised by Ci
• SAGE Employee Benefits scheme
• Salary sacrifice charity donation scheme
• Ci Christmas Savings Club
• Ci Lottery
• Out of town offices with free parking
• Hybrid working arrangement – Mon & Fri optional WFH days

Business Unit

Services

Reporting to

Workplace Operations Team Leader

Location/site

Caerphilly with potential to travel to other Ci/customer sites

Vetting requirements

Yes

Company Overview

Centerprise International (Ci) was established in 1983 and has over 30 years of experience and expertise in providing innovative products and services. Our financial strength, and breadth and quality of services offered, together with our enviable record of success in supplying under many framework agreements and winning many government contracts makes Ci one of the leading ICT suppliers. Our cash reserves, recent strategic acquisitions and the quality of contracts held are an assurance of our future growth.

Throughout its history, Ci has evolved to meet market demands and now offers Managed Services and Solution Design to complement our own products.

Ci actively seeks to attract talented ambitious individuals, to nurture and develop through their career with the organisation. The Ci Group comprises of wholly owned companies and a joint venture business, so the opportunity to build a wide and varied career path truly exists.

All employees have the opportunity learn from successful, capable business professionals within the organisation, to absorb knowledge and experience first‑hand how a thriving privately owned business operates.

Role Description

We are seeking a skilled and proactive Network Operations Support Engineer to join our Workplace Services team. This role focuses on the operational delivery and technical support of network infrastructure for our clients.

• Provide 2nd/3rd line support for network‑related incidents and service requests
• Advanced configuration and management of enterprise switches, routers, and firewalls (e.g., Cisco, Fortinet, Juniper)
• Monitor network performance and implement improvements for uptime and security
• Assist with network design and implementation for new projects and client onboarding
• Respond to escalations and resolve complex technical issues promptly
• Maintain accurate documentation of network configurations and changes
• Liaise with vendors and suppliers for hardware/software procurement and support
• Ensure compliance with security standards and best practices
• Participate in an on‑call rota to provide out‑of‑hours support as required

Working hours fall within the hours of 0700 to 1800 daily, dictated by the shift pattern which you are allocated. Therefore, on occasions you will be required to cover additional shifts in the absence of colleagues, as directed by your manager. Working hours may occasionally include weekend and statutory public holiday working. The Company may from time to time require you to work such additional hours as may be necessary for the proper performance of your duties. Participation in an on‑call rota is expected, providing out‑of‑hours support for critical incidents and urgent client requirements. On‑call duties are shared across the team and may occasionally require evening or weekend work.

Experience and Skills

• Essential:
  - Significant experience supporting and troubleshooting complex multi‑site LAN/WAN environments
  - Advanced configuration and management of enterprise switches, routers, and firewalls (e.g., Cisco, Fortinet, Juniper)
  - In‑depth knowledge of routing protocols (OSPF, BGP, EIGRP) and dynamic routing configuration
  - Strong understanding of network security concepts, including firewall rule sets, VPNs (IPSec, SSL), and intrusion prevention systems
  - Experience with VLAN design, trunking, inter‑VLAN routing, and network segmentation
  - Hands‑on experience with wireless networking (802.1x authentication, enterprise Wi‑Fi deployment, troubleshooting RF issues)
  - Proficient in network monitoring, analysis, and troubleshooting using tools such as Wireshark, SolarWinds, PRTG, or similar
  - Experience with network automation and scripting (e.g., Python, Ansible, or PowerShell) for configuration management and monitoring
  - Familiarity with cloud networking (Azure/AWS VPCs, VPN gateways, ExpressRoute/Direct Connect)
  - Proven ability to implement and support high‑availability solutions (redundant links, HSRP/VRRP, load balancing)
  - Experience with DNS, DHCP, NAT, and network address planning
  - Ability to produce and maintain detailed network documentation, diagrams, and change records
  - Strong troubleshooting skills for resolving complex connectivity, performance, and security issues
  - Experience supporting remote access solutions and secure remote working environments
  - Comfortable working in an ITIL‑based service management environment, including incident, problem, and change management processes
• Desirable:
  - Experience with SD‑WAN technologies and deployment
  - Knowledge of VoIP systems and network QoS
  - Experience working with monitoring tools and network logs
  - Awareness of load balancing, failover routing, and redundancy protocols (HSRP, VRRP)

Company Profile

• Ensure customer satisfaction is our number one priority; be true to your work and go the extra mile to deliver on your promise; have the strength to make a difference and don’t be afraid to constructively challenge the status quo; be innovative and do all that is reasonable to deliver a positive outcome; give your time and energy in the best interests of the Company.
• Customer‑Centric – Ensure customer satisfaction is our number one priority.
• Commitment – Be true to your work and go the extra mile to deliver on your promise.
• Courage To Challenge – Have the strength to make a difference and don’t be afraid to constructively challenge the status quo.
• Succeed – Be innovative and do all that is reasonable to deliver a positive outcome.
• Dedication – Giving your time and energy in the best interests of the Company.

Education / Qualifications / Specific Training

• Desirable (Not Essential) – Cisco CCNA/CCNP or equivalent certification; CompTIA Network+; Microsoft Certified: Azure Administrator Associate; AWS Certified Solutions Architect – Associate; ITIL Foundation