Network Engineer

ManTech - Annapolis Junction, MD

Full-time - Mid Level

Annapolis Junction, MD

Professional, Scientific, and Technical Services

About the position

The Network Engineer position at ManTech is a mid-level role focused on ensuring the high availability and integrity of LAN/WAN/VPN networks. The engineer will analyze network access trends, troubleshoot issues, and collaborate with various IT teams to maintain compliance with security objectives. This role requires a proactive approach to network management and the ability to adapt to evolving technologies and priorities.

Responsibilities

• Analyze network access trends and resolve bandwidth management issues for mission-critical systems.
• Implement, troubleshoot, monitor, and maintain all aspects of LAN/WAN/VPN networks for high availability.
• Review SNMP alerts, use protocol-line analyzers, and conduct log forensics to determine root causes of complex issues.
• Collaborate with software and database developers, server administrators, and security personnel to analyze SDLC requirements and troubleshoot anomalies.
• Draft and submit change request proposals for timely mitigation of POA&Ms and CVE findings.
• Maintain system compliance with DHS/FISMA IT Security and Information Assurance objectives.
• Install new releases and system upgrades, evaluate and install patches, and resolve network-related problems.
• Perform system backups and recovery.
• Maintain data files and monitor system configuration to ensure network integrity.

Requirements

• Experience in network troubleshooting and network management tools.
• Knowledge of networking concepts including VLANs, Switch ports, LAN, WAN, and VPN.
• Experience managing, monitoring, and troubleshooting an enterprise network on Cisco hardware.
• Minimum 2 years of experience analyzing, implementing, and troubleshooting firewall rules on Cisco devices.
• Ability to work on individual and team-oriented tasks, prioritize competing priorities, and adapt to quickly evolving technology.

Nice-to-haves

• Knowledge of Network Automation.
• Routing experience including static routes, EIGRP, and route redistribution.
• Switching experience with virtual port-channels, spanning tree, and security best practices.
• Experience with firewall concepts and configurations including access control lists and VPNs.
• Experience with load balancing concepts and configurations including layer4/layer7 and SSL offloading.
• Monitoring of network components via SolarWinds.
• A bachelor's degree or equivalent in a related field with 5 or more years of experience.

Benefits

• Competitive salary
• Health insurance
• 401k plan
• Paid time off
• Professional development opportunities