Network Engineer – WAN / Cisco ASR & ISR

About the Offer

We are looking for an experienced Network Engineer – WAN to join the network operations team of the central IT services provider of one of Germany's largest banking groups. The client runs the core banking infrastructure for hundreds of regional savings banks across Germany, so you will work in a large, stable and highly regulated environment.

For this role, Optiveum is the recruitment and contracting party, which means you will sign the B2B cooperation agreement directly with us.

Key Details:

• Rate: 160–200 PLN/h net (B2B), depending on experience

• Contract: B2B with Optiveum, until the end of 2026 with a planned extension through 2027

• Work Model: 100% remote, full-time (5 days per week)

• Location: Remote from Poland

• Start: ASAP

• Languages: fluent English is required; German is a strong plus

Responsibilities:

• Run and operate the WAN product end to end on Cisco ASR/ISR and Catalyst: from transitioning new infrastructure into operations, through changes and releases, to decommissioning

• Configure, administer and troubleshoot Cisco ASR/ISR routers and manage BGP, OSPF and MPLS

• Coordinate WAN line provisioning, carrier handovers and the connection of new sites

• Manage the IOS-XE firmware lifecycle and licences with Cisco Smart Licensing

• Analyse and resolve WAN outages, latency and QoS issues

• Handle 2nd and 3rd-level incidents and coordinate problem management (root cause analysis, known errors, workarounds)

• Support the Lead Network Engineer during major incidents (bridge calls, data collection, emergency changes)

• Coordinate maintenance windows, firmware upgrades and lifecycle activities

• Tune event monitoring in CheckMK and report on service availability (uptime, MTBF, MTTR) and capacity

• Investigate log anomalies flagged in Splunk and maintain standard syslog configurations

• Run vulnerability management (security patches, CVE tracking, remediation) in line with ISMS requirements

• Maintain the CMDB (IP addresses, VLANs, VRFs, 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 write runbooks, configuration standards and SOPs

Requirements:

• Solid hands-on experience with Cisco WAN technologies: ASR and ISR routers, BGP, OSPF and MPLS

• 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: Incident, Problem, Change, Release, Knowledge, Configuration, Event, Availability and Capacity Management

• Ability to coordinate handovers between Plan & Build and Run

• Fluent English, spoken and written

• An existing 1-person company (działalność gospodarcza) registered in Poland

Nice to Have:

• German language skills

• Cisco SD-WAN Specialist certification

• ITIL certification

• Network automation with Ansible and Python, and experience with CheckMK

• Experience in banking or financial services

Recruitment Process:

• Please apply with your CV in English

• We will share your CV with the client only after you have agreed to it

• Candidates who have already been presented for this client in the last 6 months, directly or through another agency, cannot be considered again