Network Engineer

General Dynamics Information Technology San Antonio, TX $80,750 - $109,250
Full Time Mid Level 5+ years

Posted 4 weeks ago

Interested in this position?

Upload your resume and we'll match you with this and other relevant opportunities.

Upload Your Resume

About This Role

The Network Engineer will support and maintain enterprise switching, security, and wireless infrastructure. This role involves deploying, configuring, and managing network devices, troubleshooting connectivity issues, and ensuring network security and stability while working with a senior engineering team.

Responsibilities

  • Assist with the deployment, configuration, and management of Cisco switches (Catalyst 9200/9300/9500).
  • Support VLAN configurations, trunking, spanning-tree protocols (RSTP/MSTP), and EtherChannel setups.
  • Assist in managing Cisco ISE for network authentication, 802.1X access control, and device profiling.
  • Monitor and provide basic troubleshooting support for Palo Alto firewalls, including reviewing logs and assisting in policy updates.
  • Support the setup, configuration, and maintenance of Wireless LAN Controllers (WLCs) and Cisco Access Points (APs).
  • Utilize network monitoring tools (e.g., SolarWinds, PRTG, or NetFlow) to monitor bandwidth usage and network performance.
  • Maintain and update network documentation, including IP address allocations, switch configurations, and firewall policies.
  • Lead technical discussions and code reviews
  • Mentor junior engineers

Requirements

  • 2-5 years of experience in networking
  • Experience with Cisco switches (Catalyst 9200, 9300, 9500 series) and VLAN configurations.
  • Understanding of switching protocols (VTP, Spanning Tree, HSRP/VRRP, EtherChannel).
  • Exposure to Cisco ISE for user authentication and access control.
  • Familiarity with wireless networking, including Wireless LAN Controllers (WLCs) and Access Points (APs).
  • Basic experience with firewalls (Palo Alto, Cisco ASA, or similar) and security policies.
  • Working knowledge of network monitoring tools (SolarWinds, PRTG, NetFlow, Wireshark).
  • Strong troubleshooting skills.
  • Ability to follow standard procedures and document changes clearly.
  • Strong communication skills.

Qualifications

  • Bachelor’s degree in Information Technology, Networking, or a related field (or equivalent experience)
  • 5+ years of related experience; 2-5 years of experience in networking, with hands-on exposure to switching, network security, and wireless management.

Nice to Have

  • Experience with Cisco DNA Center, Cisco ISE, or Palo Alto firewalls is a plus.

Skills

SolarWinds * Wireshark * VLANs * 802.1x * Cisco switches * Cisco ISE * Cisco DNA Center * Palo Alto firewalls * Wireless LAN Controllers (WLCs) * RSTP * MSTP * EtherChannel * Cisco Access Points (APs) * PRTG * NetFlow * VTP * Spanning Tree * HSRP * VRRP * Cisco ASA *

* Required skills

Benefits

Life Insurance
Medical plan options
Accidental death and dismemberment insurance
Personal Accident insurance
Short and long-term disability benefits
Paid parental leave
Vision plan
Bereavement leave
Dental plan options
401(k) plan with company match
Business travel and accident insurance
Holidays
Critical illness insurance
Military leave
Health Savings Accounts
Jury duty leave
Full flex work weeks (where possible)
Paid time off (vacation, sick and personal time)

Certifications

CCNA (Required) CCNP (Required)

About General Dynamics Information Technology

A global technology and professional services company delivering consulting, technology, and mission services to major agencies across the U.S. government, defense, and intelligence community.

Professional Services
View all jobs at General Dynamics Information Technology →