Network Operations Engineer

Rate: €400-€425 per day (full time, 8hr per day)

Duration: Initially running to October 31, 2026, with an extension to follow

Location: Remote in Poland

Role

Provide high-quality network operational support, analytical skills, and production network engineering expertise across a multi-vendor datacentre. Responsibilities include event and incident management (reactive and proactive), standardised change requests, network product lifecycle management, and delivery of strategic network infrastructure platforms and connectivity products.

Key Responsibilities

• Deliver 24x7 operational support for global networking, firewall & load balancing technologies.
• Maintain and troubleshoot network equipment including routers, switches, firewalls, load balancers, and related infrastructure.
• Perform fault and performance management.
• Identify, diagnose, and resolve complex network issues, including hardware faults and logical problems.
• Collect diagnostic data, document incidents, and track progress per SLA compliance.
• Manage escalations, isolate incidents, and apply workarounds.
• Collaborate with vendors and service providers for device and service restoration.
• Coordinate and implement break-fix activities and planned changes, patching, and maintenance in line with change management processes.
• Assess and amend existing network devices in a controlled manner.
• Make key decisions on fault or change impacts on users and infrastructure.
• Ensure all tasks are professionally documented and adhere to company processes.
• Liaise with other technology teams, business units, and third-party vendors.
• Engage in proactive tasks such as delivering new projects and maintaining standards.
• Lead design, build, and operation of network products across all OSI layers (1-7), including physical and virtual infrastructure.
• Utilize expertise in Layer 1-4 protocols (e.g., Ethernet, VXLAN, TCP/IP, BGP, OSPF, IS-IS), access transport technologies (e.g., PON, xDSL, DOCSIS), wireless standards (Wi-Fi, LTE, 5G), and overlay IP/VPN technologies.
• Work with virtual infrastructure ecosystems (OpenStack, Kubernetes, QEMU, KVM, HCI) and open networking technologies (FRR, Bird, GoBGP, SONiC, Cumulus).
• Apply strong network programming and automation skills using RESTCONF, NETCONF/YANG, Python, Ansible, Saltstack, Terraform, and CI/CD pipelines.
• Manage network product lifecycle including requirements analysis, platform selection, architecture design, service development, testing, and deployment at scale.
• Implement network access control (NAC), RADIUS-based AAA, and zero trust networking concepts.
• Support secure and automated access for corporate and guest users.
• Participate in risk and control activities ensuring compliance with regulatory requirements and internal policies.

Person Specification

Essential Skills:

• Experience in network operational support and production network engineering within large institutions or banks.
• Proven ability to diagnose and resolve complex network-related issues.
• Strong stakeholder management and ability to work effectively under pressure.
• Solid understanding of LAN/WAN technologies and protocols (Cisco ACI, IOS, NX-OS, SD-WAN, BGP, OSPF).
• Good knowledge of multi-vendor firewall platforms (Fortigate, Cisco ASA, Cisco Tetration).
• Experience with remote access technologies (Cisco AnyConnect, Zscaler, Aruba).
• Proficiency in DNS/DHCP (Infoblox), load balancing platforms (F5, VMWare), and proxy products (Zscaler).
• Strong TCP/IP and SSL troubleshooting skills (packet analysis tools like tcpdump, Wireshark).
• Deep understanding of network virtualization, cloud, and automation concepts.
• Expertise in network programming/automation and configuration management tools (Python, Ansible, Saltstack, Terraform).
• Familiarity with virtual infrastructure and open networking technologies.
• Knowledge of network access control and zero trust networking principles.
• Ability to lead and work in 24/7 shift patterns including weekends.

Desirable Skills:

• Relevant certifications (CCNP, CCIE or equivalent).
• Experience with scripting and automation languages.
• Hands-on experience with MPLS, multicast, QoS, wireless technologies.
• Expertise in network product lifecycle management and agile methodologies.
• Experience with DevOps, CI/CD pipelines, and infrastructure as code (IaC).
• Knowledge of network instrumentation and software-defined networking (SDN) controllers.
• This combined role is critical for ensuring resilient, secure, and efficient network operations and engineering, supporting both day-to-day incident management and strategic network product development.