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Senior Network Engineer (Cisco)
  • Warsaw
Senior Network Engineer (Cisco)
Warszawa, Warsaw, Masovian Voivodeship, Polska
Capgemini Polska
27. 3. 2026
Informacje o stanowisku

technologies-expected :


  • Cisco ISE
  • Python
  • Ansible

technologies-optional :


  • SDWAN
  • Cisco DNAC

about-project :


  • As a Senior Network Engineer, you will be responsible for designing, implementing, maintaining, and supporting our enterprise network infrastructure. You will work with advanced switching and wireless technologies - primarily Cisco and Arista - to ensure secure, reliable, and high‑performance connectivity across the organization. In this role, you will take ownership of complex technical issues, collaborate with cross‑functional teams, and support a 24/7 operational environment.

responsibilities :


  • Install, configure, and support network equipment including routers, switches, WAN accelerators, DNS/DHCP, firewalls, and wireless solutions.
  • Implement and troubleshoot Cisco NAC solutions such as Cisco ISE (Authentication, Profiling, Posturing).
  • Manage and maintain various network and security platforms including:
  • Cisco ASA, Checkpoint, Fortigate NGFW
  • Cisco Nexus, Cisco ISR, Cisco Catalyst 4500/6500
  • Juniper, Arista, Aruba
  • Configure and troubleshoot routing protocols: BGP, OSPF, EIGRP, PBR, route filtering, redistribution, summarization, prefix‑lists, and static routing.
  • Work with switching technologies: VPC, MLAG, VLANs, trunking, VTP, STP, MST, EtherChannels.
  • Perform advanced network & security troubleshooting including packet capture and analysis.
  • Support and enhance SDWAN and DNAC environments; contribute to automation initiatives using Python and Ansible.
  • Take ownership of customer issues, ensuring timely resolution and clear communication.
  • Participate in a 24x7x365 support model, including rotational shifts and on‑call responsibilities.

requirements-expected :


  • Strong expertise in Switching and Wireless technologies, preferably with Cisco and Arista.
  • Solid hands‑on experience with enterprise routers, switches, firewalls, and wireless systems.
  • Proven experience with Cisco ISE and network access control.
  • Deep understanding of routing and switching protocols and architectures.
  • Strong analytical and troubleshooting skills including packet-level diagnostics.
  • Knowledge of SDWAN, Cisco DNAC, Python, and Ansible is a strong plus.
  • Excellent communication and interpersonal skills, with customer‑focused mindset.
  • Ability and willingness to work in a 24/7 operational environment.
  • Preferred certifications: CCNA, CCNP (or equivalent practical experience).

offered :


  • Practical benefits: yearly financial bonus, private medical care with Medicover with additional packages (e.g., dental, senior care, oncology) available on preferential terms, life insurance and access to NAIS benefit platform.
  • Access to over 70 training tracks with certification opportunities (e.g., GenAI, Excel, Business Analysis, Project Management) on our NEXT platform. Dive into a world of knowledge with free access to Education First languages platform, TED Talks and Udemy Business materials and trainings.
  • Cutting-Edge Technology: Position yourself at the forefront of IT innovation, working with the latest technologies and platforms. Capgemini partners with top global enterprises, including 145 Fortune 500 companies.
  • Enjoy hybrid working model that fits your life - after completing onboarding, connect work from a modern office with ergonomic work from home, thanks to home office package (including laptop, monitor, and chair). Ask your recruiter about the details.

benefits :


  • sharing the costs of sports activities
  • no dress code
  • parking space for employees
  • extra social benefits
  • redeployment package
  • employee referral program
  • charity initiatives
  • access to courses e.g. Excel, VBA, RPA, Customer Care
  • unlimited access to Udemy Business
  • free chat/call with a therapist

  • Praca Warszawa
  • Warszawa - Oferty pracy w okolicznych lokalizacjach


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