Network Engineer – Campus LAN / Cisco Catalyst & Lancom

OPTIVEUM

3d•Remote

About The Position

Optiveum is recruiting and contracting a Network Engineer to join the network operations team of the central IT services provider of a large German banking group. The client operates core banking infrastructure for hundreds of regional savings banks in Germany, in a large, stable, and highly regulated environment. The successful candidate will sign a B2B cooperation agreement directly with Optiveum. This full-time role operates remotely from Poland, five days per week. The contract is B2B through the end of 2026, with a planned extension through 2027. The stated rate is 160–200 PLN per hour net, depending on experience, and the expected start is ASAP. Fluent English is required; German is a strong plus. The engineer will run the Campus LAN product end to end, principally on Cisco Catalyst and, as the rollout progresses, Lancom. The role covers operational transition, configuration and troubleshooting, changes and releases, lifecycle and vulnerability management, incident and problem handling, monitoring and service reporting, documentation, audits, continual improvement, automation, and mentoring and cross-training team members.

Requirements

Proven experience operating campus networks based on Cisco Catalyst.
Cisco CCNA or CCNP Enterprise certification, or equivalent.
Proven experience leading or coaching network engineering teams, including onboarding and coordinating nearshore resources.
Strong communication and conflict-resolution skills.
Experience maintaining operational documentation and knowledge management.
Solid understanding of ITIL processes in a regulated environment, including Incident, Problem, Change, Release, Knowledge, Configuration, Event, Availability, and Capacity Management.
Fluent spoken and written English.
An existing one-person company (działalność gospodarcza) registered in Poland.

Nice To Haves

German language skills.
Hands-on experience with Lancom, ideally with a Lancom certification such as LCSP.
ITIL certification.
Network automation with Ansible and Python, and experience with CheckMK.
Experience in banking or financial services.

Responsibilities

Run and operate the Campus LAN product end to end on Cisco Catalyst, from transitioning new infrastructure into operations through changes and releases to decommissioning.
Configure, administer, and troubleshoot Cisco Catalyst switching on IOS and IOS-XE, including VLANs, STP, StackWise, PoE, and NAC.
Manage the hardware lifecycle, including switch replacements and tracking end-of-life and end-of-support dates.
Coordinate firmware upgrades, maintenance windows, and lifecycle activities, and manage licences with Cisco Smart Licensing.
Provide hands-on support for Lancom infrastructure during its upcoming rollout.
Handle second- and third-level incidents and coordinate problem management, including root cause analysis, known errors, and workarounds.
Support the Lead Network Engineer during major incidents, including bridge calls, data collection, and emergency changes.
Tune event monitoring in CheckMK and report service availability, including uptime, MTBF, MTTR, and capacity.
Investigate log anomalies flagged in Splunk and maintain standard syslog configurations.
Run vulnerability management, including security patches, CVE tracking, and remediation, in line with ISMS requirements.
Maintain the CMDB, including IP addresses, VLANs, VRFs, and configuration items, and track licences and asset lifecycle.
Support internal and external audits and drive continual service improvement and automation.
Mentor and cross-train team members, including nearshore engineers, and contribute to runbooks, configuration standards, and SOPs.