General Dynamics Information Technology · 9 hours ago
Network Engineer
San Antonio, TX
Full-time
Onsite
Mid, Senior Level
$81K/yr - $109K/yr
5+ years expGeneral Dynamics Information Technology is a global technology and professional services company that delivers consulting, technology, and mission services. They are seeking a Network Engineer to support and maintain their enterprise switching, security, and wireless infrastructure, while also troubleshooting and managing network connectivity and security issues.
Artificial Intelligence (AI)Cloud ComputingConsultingCyber SecurityInformation Technology
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
Perform basic switch upgrades and patching to ensure network security and stability
Help troubleshoot network connectivity issues, including port security and inter-VLAN routing problems
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
Follow security best practices to ensure network compliance and access control measures
Support the setup, configuration, and maintenance of Wireless LAN Controllers (WLCs) and Cisco Access Points (APs)
Assist in troubleshooting Wi-Fi connectivity issues, coverage gaps, and signal performance
Help with the installation and organization of patch panels, structured cabling, and network racks
Utilize network monitoring tools (e.g., SolarWinds, PRTG, or NetFlow) to monitor bandwidth usage and network performance
Perform basic packet analysis using Wireshark to identify and resolve network latency or packet loss issues
Work with the senior engineering team to identify potential network vulnerabilities and assist in patching efforts
Maintain and update network documentation, including IP address allocations, switch configurations, and firewall policies
Assist with ticket resolution for network-related incidents and changes, collaborating with helpdesk teams as needed
Participate in change management processes and follow standard operating procedures for network upgrades and modifications
Qualification
Required
5 + years of related experience
2-5 years of experience in networking, with hands-on exposure to switching, network security, and wireless management
Experience with Cisco switches (Catalyst 9200, 9300, 9500 series) and VLAN configurations
Understanding of switching protocols (VTP, Spanning Tree, HSRP/VRRP, EtherChannel)
Some 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 with a proactive approach to resolving network issues
Ability to follow standard procedures and document changes clearly
Strong communication skills for working with teams, end users, and leadership
A willingness to learn and grow in a dynamic networking environment
Bachelor's degree in Information Technology, Networking, or a related field (or equivalent experience)
Preferred
CCNA certification is preferred and CCNP highly desired
Any experience with Cisco DNA Center, Cisco ISE, or Palo Alto firewalls is a plus
Benefits
A variety of medical plan options, some with Health Savings Accounts
Dental plan options
A vision plan
A 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match
Full flex work weeks where possible
A variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
Short and long-term disability benefits
Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance
Company
General Dynamics Information Technology
General Dynamics Information Technology is an IT consulting company that specializes in cyber security, AI, and quantum computing. It is a sub-organization of General Dynamics.
10001+ employees
H1B Sponsorship
General Dynamics Information Technology has a track record of offering H1B sponsorships. Please note that this does not
guarantee sponsorship for this specific role. Below presents additional info for your
reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (32)
2024 (27)
2023 (36)
2022 (19)
2021 (18)
2020 (13)
Funding
Current Stage
Late StageLeadership Team
Paul Nedzbala
Senior Vice President
Ben Buckley
Vice President and General Manager
Recent News
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