Wireless Network Engineer (Cisco & Aruba)

Mid-Level | 3–5 Years Experience

Key Technical Skills & Competencies

• Design, deployment, and optimization of enterprise wireless networks (Cisco & Aruba)
• Configuration and management of WLCs, access points, and cloud-based wireless platforms
• RF planning, site surveys, and capacity optimization
• Integration of wireless infrastructure with LAN, AAA, and security frameworks
• Troubleshooting wireless issues: client connectivity, RF interference, roaming failures
• Familiar with network security standards: 802.1X, WPA2/WPA3 Enterprise, role-based access

General Wireless Configuration:

• SSID creation, WLAN policy definition, and profile management
• QoS configuration for voice and video traffic (WMM, DSCP marking)
• Roaming configuration and optimization across multi-AP environments

RF Design & Optimization

• Understanding of RF fundamentals: RSSI, SNR, noise floor, co-channel and adjacent-channel interference
• Experience conducting active and passive site surveys (e.g., Ekahau, AirMagnet)
• AP placement design aligned with coverage, capacity, and redundancy requirements

Network Integration

• VLAN design and trunking configuration on switching infrastructure (access/distribution layer)
• PoE planning and switch port configuration for AP deployments
• AAA integration: RADIUS (FreeRADIUS, Cisco ISE) and TACACS+
• Captive portal configuration for guest access and web authentication
• Basic knowledge of routing protocols relevant to wireless: OSPF, DHCP relay, DNS

Troubleshooting:

• Client connectivity issues: association, authentication, IP addressing failures
• RF issues: channel interference, hidden node, coverage gaps
• Roaming failures: sticky clients, fast roaming configuration validation
• Tools: Wireshark/packet capture, wireless debug logs (WLC/ArubaOS), controller event logs

System Administration & Monitoring

• Firmware management: WLC upgrades, AP image updates, Aruba controller patching
• Configuration backup, rollback procedures, and change management practices
• Performance reporting: generating and interpreting wireless health reports

Professional Development & Background

Experience:

• 3–5 years in network engineering, with a minimum of 1 years focused on wireless
• Hands-on experience in enterprise/campus wireless deployments (greenfield and refresh projects)
• Exposure to structured cabling, AP mounting, and physical installation coordination is a plus

Certifications (nice to have):

• Cisco: CCNA (minimum) or CCNP Enterprise – Wireless Track
• Aruba: ACMA (Aruba Certified Mobility Associate) or ACMP (Aruba Certified Mobility Professional) – advantage
• Other relevant: CompTIA Network+, CWNA/CWSP – considered an asset

Offer (bonuses & benefits):

• Competitive financial package aligned with market standards;
• Hybrid work schedule;
• Bookster subscription: bookster.ro;
• Medical services subscription at a top clinic;
• Involvement in complex projects and working in a friendly environment;
• Opportunity to be part of a young team characterized by positive energy and guided by the values we live by every day in our organizational culture: learning, autonomy, agility, and kindness.

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