General Dynamics

Network Administrator

General Dynamics$101K — $109K *
Aerospace & Defense
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • Bachelor's degree in computer science or related field or equivalent experience required; 5-7 years of relevant experience; Master’s degree with 3 years relevant experience accepted.
  • Department of Defense Secret security clearance required at hire, U.S. citizenship is mandatory.
  • Current Security+ certification needed.
  • Current CCNA certification required.
  • Hands-on knowledge of Cisco switching and routing environments is necessary.

Responsibilities

  • Administer and troubleshoot classified network infrastructure including switches and firewalls.
  • Implement configuration changes for switches and firewalls per change-management processes.
  • Maintain TACLANE devices, performing key activities and troubleshooting.
  • Monitor network health and restore service during disruptions.
  • Support network patching, compliance, and vulnerability remediation efforts.
  • Assist in classified network deployments and infrastructure refresh.
  • Create and maintain network documentation and support audit activities.

Benefits

  • Exposure to advanced technologies in a secure network environment.
  • Hands-on involvement in high-stakes projects with a focus on compliance and security.
  • Collaboration with cross-functional teams in classified environments.
  • Opportunity for ongoing training and cross-training in multiple network environments.
Full Job Description
Basic Qualifications

Education Requirements:

Bachelor's degree in computer science or related field; or equivalent relevant experience is required, plus a minimum of 5 years of relevant experience; or Master's degree plus a minimum of 3 years of relevant experience.

 

Clearance Requirements:Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required.

Responsibilities for this Position

Our environments support more than 100 contracts across approximately 50 programs and 12 distributed sites, with additional sites planned. The successful candidate will work closely with the existing Network Administrator, cross-train across classified and CUI network environments, and develop independent operational capability within approximately three to six months.

 

This is a hands-on, on-site role supporting secure, air-gapped network infrastructure. The position requires sound technical judgment, disciplined change-control execution, and close coordination with Information Assurance, program teams, vendors, carriers, and site personnel.

Key Responsibilities
  • Administer, maintain, and troubleshoot classified network infrastructure, including switches, firewalls, TACLANEs, circuits, and related equipment.
  • Perform switch and firewall configuration changes in accordance with approved change-management and security processes.
  • Configure, maintain, troubleshoot, and coordinate keying activities for TACLANE devices.
  • Monitor network health, respond to alerts, investigate incidents, and restore service during outages or degraded conditions.
  • Support network patching, vulnerability remediation, configuration compliance, and technical-debt reduction efforts.
  • Assist with classified network deployments, site expansions, program on-boarding, and infrastructure refresh activities.
  • Coordinate with circuit providers, carriers, vendors, site personnel, and internal stakeholders to resolve connectivity and infrastructure issues.
  • Create and maintain accurate network documentation, asset records, configuration records, diagrams, and operating procedures.
  • Support audit preparation, evidence collection, inspection activities, and compliance requirements.
  • Coordinate with the Information Assurance team to support System Security Plan (SSP), Authorization to Operate (ATO), and related cybersecurity requirements.
  • Assist with the transition to the future eWAN architecture and support progress toward the January 2027 ATO target.
  • Cross-train across classified and CUI network environments to provide resilient backup coverage.
  • Participate in occasional on-call support and travel to distributed sites as operational needs require.
Required Qualifications
  • Bachelor’s degree in Information Technology, Computer Science, Engineering, or a related field; or equivalent combination of education, technical training, certifications, and relevant experience.
  • Current Security+ certification.
  • Current CCNA certification.
  • Secret security clearance required
  • Basic hands-on understanding of Cisco switching and routing environments, including:
    • VLANs
    • IP subnetting
    • Routing protocols
    • Switch port configurations
  • Fundamental understanding of the OSI model and structured network troubleshooting methods.
  • Working knowledge of firewall concepts and network security principles.
  • Ability to follow established procedures, manage configuration changes carefully, document work accurately, and operate effectively in a controlled classified environment.
  • Strong communication and collaboration skills, including the ability to coordinate with technical teams, Information Assurance personnel, vendors, carriers, and program stakeholders.
  • Ability to work 100% on-site in Scottsdale, Arizona.
Preferred Qualifications
  • Experience supporting classified, restricted, air-gapped, or Department of Defense network environments.
  • Experience with Cisco ISE, 802.1X, and Cisco Catalyst Center.
  • Direct experience with Cisco Firepower Threat Defense (FTD) and/or Palo Alto firewalls.
  • Experience configuring, operating, or troubleshooting TACLANE encryptors.
  • Knowledge of DoD Security Technical Implementation Guides (STIGs) and their practical application.
  • Experience supporting RMF, SSP, ATO, audit, inspection, or other Information Assurance activities.
  • Experience with network monitoring tools, alert response, incident restoration, and vulnerability remediation.
  • Experience supporting multi-site networks, circuit coordination, vendor management, and infrastructure deployments.
Salary NoteThis estimate represents the typical salary range for this position based on experience and other factors (geographic location, etc.). Actual pay may vary. This job posting will remain open until the position is filled. Combined Salary RangeUSD $101,357.00 - USD $109,672.00 /Yr.

About General Dynamics

General Dynamics is involved in business aviation; land and expeditionary combat vehicles and systems, armaments, and munitions; shipbuilding and marine systems; and mission-critical information systems and technologies. General Dynamics has four main business segments. Aerospace designs, develops, manufacturers and services a comprehensive offering of advanced business-jet aircraft. Combat Systems specializes in producing, supporting and sustaining land and expeditionary combat systems for the U.S. military and its allies. Marine Systems designs, builds and supports submarines and a variety of surface ships for the U.S. Navy and commercial customers. The Information Systems and Technology group offers a breadth and depth of technology and service capabilities that support a wide range of government and commercial needs, including systems integration expertise; hardware and software products; and engineering, management and support services.

General Dynamics Careers

Join the dynamic team at General Dynamics, a leader in global defense, aerospace, and technology services. As a pivotal player in innovation and security, General Dynamics offers unparalleled job opportunities for professionals eager to advance their careers in a cutting-edge environment.

Work You’ll Do

At General Dynamics, we empower our employees to drive innovation and lead with integrity and excellence. With a commitment to professional growth and diversity, our team is at the forefront of developing solutions that make a difference in the world. Whether in engineering, cybersecurity, or project management, your work at General Dynamics will contribute to missions that matter.

Explore Career Paths

General Dynamics is not just a company; it's a community where you can build a career that aligns with your passion and skills. From internships to leadership positions, the breadth of opportunities supports your professional journey at every stage.

Innovate and Lead

Join a team where innovation is the status quo. At General Dynamics, you’ll work alongside industry experts to solve complex challenges with cutting-edge technology. Our leadership is committed to fostering a culture of growth and learning, where you can lead projects that explore new frontiers.

Professional Development

Invest in your future with General Dynamics’ robust professional development programs. Enhance your skills through targeted training, workshops, and seminars that propel your expertise and leadership capabilities forward.

Diversity and Inclusion

At General Dynamics, we believe diversity drives innovation. Our inclusive culture welcomes diverse perspectives and ideas, fostering an environment where all employees can thrive. Through diversity training and networking opportunities, we ensure every team member can contribute uniquely and significantly.

Benefits and Culture

Experience a culture that prioritizes the well-being and satisfaction of its employees. General Dynamics offers competitive benefits, including health care, retirement plans, and flexible working arrangements, to ensure a healthy work-life balance. Our team-oriented culture encourages collaboration and mutual respect, making General Dynamics a great place to work.

Join Our Team

Ready to advance your career at General Dynamics? Explore our current job opportunities and find a position that matches your skills and ambitions. We are continuously hiring talented individuals who are passionate about making a difference.

Prepare for Your Interview

Make a great first impression. Prepare for your interview at General Dynamics by researching our company values and recent projects. Tailor your resume to highlight relevant experience and skills that align with the job description.

Stay Connected

Keep up to date with the latest from General Dynamics: - **Career Growth Tips:** Gain insights from our professionals on advancing your career. - **Networking Events:** Connect with peers and leaders in your field through our networking events. - **Job Alerts:** Customize your job alerts to receive updates on new openings that fit your career preferences.

Explore General Dynamics Jobs

Discover the impact you can make at General Dynamics by joining our team. Search open positions, apply online, and take the first step towards a rewarding career filled with opportunities for growth and innovation.

SEARCH GENERAL DYNAMICS JOBS

Join General Dynamics today and be part of a team that values leadership, innovation, and diversity. See what exciting and rewarding opportunities await you in a career at General Dynamics.
Learn more about General Dynamics
Size
103,100 employees
Market Cap
$67.9 billion
Industry
Net Income
$3.1 billion
Founded
1952
5 Year Trend
+4.7%
Revenue
$37.9 billion
NASDAQ

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