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Wallet icon Coin icon Rate 3 600 € - 4 400 € / month info
Timer icon Form of cooperation Full-time
Briefcase icon Sector Information Technology
Location icon Location 100% Remote

info The reward is calculated upon delivery of 20 MD per month (1MD=8h)

Project duration 4-36 months with possibility of extension
Period of cooperation 01.04.2026 - 31.07.2026
Start date 01.04.2026 - 01.05.2026
Technology
  • Cisco
  • MS Azure
  • Cisco Meraki
Languages
  • English flag English - active, B2/C1/C2

Project description

  • L2 support for all network incidents and requests in an international company operating in the HR sector
  • active participation in:
    • diagnosing and resolving complex network problems in LAN, WAN, and cloud environments
    • improving network security and identifying vulnerabilities
    • design, configuration, and maintenance of IPSec VPN tunnels and site-to-site connections
    • implementation and management of Zero Trust Network Access (ZTNA) policies and Secure Service Edge (SSE) solutions
    • monitoring security incidents (via firewalls and network security platforms)
    • evaluating and recommending new technologies to improve network performance and security posture
    • researching and pilot testing new technologies and bringing innovative solutions to the team
  • expert advice to internal teams
  • documenting network architectures, configurations, and standard operating procedures
  • close cooperation with L1 support team and third-party subcontractors
  • collaboration possible in full REMOTE mode, if freelancer prefers, possibility of combined ON-SITE (Bratislava) and REMOTE

Project requirements

  • min. 3 years of project experience as a Network Administrator
  • experience with:
    • Azure Network Security Groups (NSG), Load Balancers (LB) and Virtual Network Gateways (VNG)
    • configuration of Azure Enterprise Applications and management of identity-based network access
    • Azure Virtual Networks, peering, and hybrid connectivity (ExpressRoute/VPN)
    • design and management of Cisco Meraki SD-WAN
    • management of Meraki Dashboard, policy configuration, and troubleshooting connectivity issues
    • Cloudflare Access, Gateway and/or equivalent SSE solution Cisco Secure Access
    • DNS filtering, concepts of SWG (Secure Web Gateway) and CASB
    • management of OPNsense firewall (including configuration and management of IPSec tunnels
    • firewall rule design, NAT, traffic shaping, and hardening of OPNSense security
    • working in multicloud and/or hybrid environments (Azure, on-premise, colocation solutions)
    • implementation of network segmentation and security controls in cloud and on-premise platforms
  • knowledge of:
    • Zero Trust principles and the ability to design and enforce ZTNA policies
    • concept of private and public cloud networks and hybrid architectures
  • fluent knowledge of English (spoken and written)
     
  • great advantage:
    • experience and/or interest in open-source network and security tools (e.g., OPNsense, pfSense, WireGuard, Suricata, Zeek, Graylog, Wazuh, NetBox)
    • willingness to evaluate open-source alternatives alongside commercial products and provide evidence-based recommendations 
    • experience contributing to and/or maintaining open-source projects
    • drive to work with Linux-based systems and CLI-driven network configuration
    • relevant certifications: CCNA/CCNP, AZ-700 and/or equivalent network/cloud certifications
    • experience with network monitoring tools (PRTG, Zabbix, Grafana, Prometheus, ...)
    • skills in scripting or automation (Python, Ansible, Terraform) 
    • knowledge of BGP, OSPF or other dynamic routing protocols
       
  • innovative thinking  
  • interest in new technologies and constantly seeking better and more efficient ways to solve problems
  • communication skills
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