• Resolve L2 network incidents and service requests across 15–20 client environments.

• Operate and troubleshoot switching and routing: VLANs, STP, link aggregation, OSPF/BGP, VRFs.

• Administer Aruba (CX / AOS-S, wireless controllers and access points) and HPE Comware devices.

• Operate F5 BIG-IP load balancers: virtual servers, pools, health monitors, certificates.

• Manage FortiGate and Check Point firewall policies, NAT and VPN troubleshooting.

• Support Mellanox/InfiniBand fabrics in data-centre environments.

• Plan and execute changes, firmware upgrades and configuration backups under ITIL change management, in and out of business hours.

• Open and manage vendor TAC cases on behalf of the client’s customers.

• Keep network documentation and diagrams up to date; record all work in ServiceNow.

• 3+ years hands-on network operations at L2 level in an enterprise, data-centre or managed services environment.

• Strong switching and routing fundamentals: VLANs, STP, LACP, OSPF and/or BGP.

• Hands-on experience with at least two of: Aruba, HPE Comware, F5 BIG-IP, FortiGate, Check Point.

• Firewall policy and VPN troubleshooting.

• Working in ITIL processes with ServiceNow or a comparable ITSM tool.

• Good English, written and spoken (B2+).

• Resident in Bulgaria and able to work from Bulgaria only.

• Willing to take part in the standby rotation.

Standby and out-of-hours

• You join the client team’s standby rotation for your technology: one to two slots per week, 12 hours on weekdays and 24 hours at weekends, with no more than 100 standby hours per month.

• Standby is remote. Alerts arrive by phone from the first-line team, and you connect within the response target (15 minutes for critical incidents).

• Planned change and maintenance work outside business hours is scheduled in advance, typically 5–15 hours per month.

• Standby hours and out-of-hours work are compensated separately from the day rate.

• Certifications such as CCNA/CCNP, Aruba ACSA/ACSP, F5 201, Fortinet NSE 4, Check Point CCSA.

• Mellanox/InfiniBand experience.

• Network automation with Python or Ansible.

• Wireless design or troubleshooting experience.

• Experience supporting several client environments at the same time.

• Internal Mobility Program – enjoy many opportunities for career growth, job rotations, diversity of projects & technologies

• Referral Program – enjoy cooperation with your colleagues and get a bonus!

• 5/10 Years NATEK Club – we offer long-term cooperation and celebrate each fifth-year cooperation anniversary with gifts

• NATEK CSR Events & team buildings – enjoy our values: accountability, partnership and expertise and #workITwithus

• Education – benefit from our know-how, learning courses and certificates and IT events – be part of the community of leaders of the industry and take part as a speaker or a visitor

• Multisport

• Technical and Personal training

• Language courses

Additionally only for COW:

• Life insurance

• Bonuses for Personal Events

• Day off for volunteering