Senior Network Engineer - Secret Clearance Required

Responsibilities for this Position

Location: Fairview Park, Falls Church, VA
Full Part/Time: Full time
Job Req: RQ220557

Type of Requisition:
Regular

Clearance Level Must Currently Possess:
Secret

Clearance Level Must Be Able to Obtain:
Top Secret

Public Trust/Other Required:
None

Job Family:
IT Infrastructure and Operations

Job Qualifications:

Skills:
Information Technology (IT) Infrastructure, Network Engineering, Operations, System Administration, Technical Support
Certifications:
None
Experience:
10 + years of related experience
US Citizenship Required:
Yes

Job Description:

NETWORK ENGINEER SENIOR

We are GDIT-supporting and securing some of the most complex government, defense, and intelligence projects in the country. We ensure today is safe and tomorrow is smarter, with work that has real impact. GDIT is your place to own your career by embracing autonomy, seizing opportunity, and being trusted to deliver your best.

In this role, you will support the Army National Guard (ARNG) in Falls Church, VA as a Network Administrator; a current, active Secret clearance is required. This IT Service Management contract supports the operation, modernization, and evolution of ARNG's global IT services, including networking, compute, storage, infrastructure, applications, hosting, and program management. The GECOS program underpins ARNG's enterprise IT infrastructure, WAN, authentication and directory services, cybersecurity, application hosting, and related services, using the ITIL framework as the basis for its IT Service Management (ITSM) model.

HOW A SENIOR NETWORK ADMINISTRATOR WILL MAKE AN IMPACT:

• Configure, manage, and maintain physical and virtual infrastructure, including Cisco routers, Layer 3 switches, firewalls, and Palo Alto IDS/IPS.
• Perform off-hours maintenance and support 24x7 operations of a large enterprise environment per schedules and best practices.
• Implement and maintain DISA STIG baselines and support CCRI inspections and ATO sustainment.
• Develop and maintain standard operating procedures and create/defend system change requests.
• Develop and maintain proactive capacity planning models to support business decisions.
• Support engineering and architecture initiatives, serving as a senior engineer on complex ARNG strategic projects.
• Perform architecture and technology gap analyses and recommend improvements to DoWIN-A(NG) and DoWIN-A(NG)-S operations and security.
• Analyze customer requirements and deliver technical solutions to complex problems.
• Maintain and upgrade networks (servers, routers, switches, firewalls, remote access systems), ensuring integrity, connectivity, backups, and policy compliance.
• Coordinate acquisition of hardware, software, and subcontractor services as needed.
• Design, plan, and configure data communication networks, including hardware and software components.
• Evaluate and integrate new communications technologies to enhance network capabilities; stay current on relevant technology.
• Coach and guide junior and less-experienced administrators; may serve as a team or task lead.

WHAT YOU'LL NEED TO SUCCEED:

Education/Equivalent Training Required:

• Bachelor's degree or 10+ years of relevant experience as a Network Administrator / Engineer

Years of relevant experience:

• Required Experience: 6+ years' experience Cisco and Palo Alto Routing, Switching, IDS/IPS, and Firewall technologies

Skills/Additional Requirements:

• Required Technical Skills: Advance routing (BGP/OSPF), MPLS, Firewall and IDS/IPS policies
• Advanced networking: BGP/OSPF, MPLS, firewall and IDS/IPS policy configuration
• Experience securing and hardening devices in accordance with STIGs
• Broad understanding of system hardware, software, configurations, and technologies
• Strong problem-solving, analytical, and decision-making skills; able to understand requirements and troubleshoot complex issues
• Professional, reliable, and punctual; receptive to direction and feedback
• Proven customer service skills, including interaction with senior military and government leadership
• Effective communicator across the enterprise (teams, management, and vendors); strong briefing and documentation skills
• Strong organizational and teamwork skills; experience leading project efforts
• Quick learner, self-motivated to study emerging technologies and requirements; stays current with industry practices
• Able to work under time constraints and adapt to changing priorities and new projects
• Committed to maintaining and pursuing relevant certifications

Certification Requirements:

• Two certifications - Must Possess the appropriate baseline certification(s) to achieve a minimum of DoW 8570.01-M Information Assurance Technical (IAT) Level II (i.e., CompTIA Security+ CE) in addition to a Computing Environment (CE) certification (e.g., Cisco, Palo Altos) prior to start. When 8140 requirements are implemented on program/contract, employee will need to conform to 8140 certification standards

Clearance Requirements:

• Must have a minimum of an active Secret clearance at time of interview and candidate must maintain active clearance.

Work Location:

• Fairview Park, Falls Church, VA
• Three (3) days onsite with up to two (2) days telework. Onboarding/transition in period requires on-site support up to 90 days. GECOS work schedules are subject to change on direction by mission requirements from GDIT or USG leadership.

Travel:

• Less than 10%.

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace

OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

#GDITPriority

The likely salary range for this position is $123,250 - $166,750. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:
40

Travel Required:
Less than 10%

Telecommuting Options:
Hybrid

Work Location:
USA VA Falls Church

Additional Work Locations:

Total Rewards at GDIT:
Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and 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. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

Join our Talent Community to stay up to date on our career opportunities and events at
gdit.com/tc .

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

PI284790110

NETWORK ENGINEER SENIOR


We are GDIT-supporting and securing some of the most complex government, defense, and intelligence projects in the country. We ensure today is safe and tomorrow is smarter, with work that has real impact. GDIT is your place to own your career by embracing autonomy, seizing opportunity, and being trusted to deliver your best.


In this role, you will support the Army National Guard (ARNG) in Falls Church, VA as a Network Administrator; a current, active Secret clearance is required. This IT Service Management contract supports the operation, modernization, and evolution of ARNG's global IT services, including networking, compute, storage, infrastructure, applications, hosting, and program management. The GECOS program underpins ARNG's enterprise IT infrastructure, WAN, authentication and directory services, cybersecurity, application hosting, and related services, using the ITIL framework as the basis for its IT Service Management (ITSM) model.



HOW A SENIOR NETWORK ADMINISTRATOR WILL MAKE AN IMPACT:

• Configure, manage, and maintain physical and virtual infrastructure, including Cisco routers, Layer 3 switches, firewalls, and Palo Alto IDS/IPS.
• Perform off-hours maintenance and support 24x7 operations of a large enterprise environment per schedules and best practices.
• Implement and maintain DISA STIG baselines and support CCRI inspections and ATO sustainment.
• Develop and maintain standard operating procedures and create/defend system change requests.
• Develop and maintain proactive capacity planning models to support business decisions.
• Support engineering and architecture initiatives, serving as a senior engineer on complex ARNG strategic projects.
• Perform architecture and technology gap analyses and recommend improvements to DoWIN-A(NG) and DoWIN-A(NG)-S operations and security.
• Analyze customer requirements and deliver technical solutions to complex problems.
• Maintain and upgrade networks (servers, routers, switches, firewalls, remote access systems), ensuring integrity, connectivity, backups, and policy compliance.
• Coordinate acquisition of hardware, software, and subcontractor services as needed.
• Design, plan, and configure data communication networks, including hardware and software components.
• Evaluate and integrate new communications technologies to enhance network capabilities; stay current on relevant technology.
• Coach and guide junior and less-experienced administrators; may serve as a team or task lead.

WHAT YOU'LL NEED TO SUCCEED:



Education/Equivalent Training Required:

• Bachelor's degree or 10+ years of relevant experience as a Network Administrator / Engineer

Years of relevant experience:

• Required Experience: 6+ years' experience Cisco and Palo Alto Routing, Switching, IDS/IPS, and Firewall technologies

Skills/Additional Requirements:

• Required Technical Skills: Advance routing (BGP/OSPF), MPLS, Firewall and IDS/IPS policies
• Advanced networking: BGP/OSPF, MPLS, firewall and IDS/IPS policy configuration
• Experience securing and hardening devices in accordance with STIGs
• Broad understanding of system hardware, software, configurations, and technologies
• Strong problem-solving, analytical, and decision-making skills; able to understand requirements and troubleshoot complex issues
• Professional, reliable, and punctual; receptive to direction and feedback
• Proven customer service skills, including interaction with senior military and government leadership
• Effective communicator across the enterprise (teams, management, and vendors); strong briefing and documentation skills
• Strong organizational and teamwork skills; experience leading project efforts
• Quick learner, self-motivated to study emerging technologies and requirements; stays current with industry practices
• Able to work under time constraints and adapt to changing priorities and new projects
• Committed to maintaining and pursuing relevant certifications

Certification Requirements:

• Two certifications - Must Possess the appropriate baseline certification(s) to achieve a minimum of DoW 8570.01-M Information Assurance Technical (IAT) Level II (i.e., CompTIA Security+ CE) in addition to a Computing Environment (CE) certification (e.g., Cisco, Palo Altos) prior to start. When 8140 requirements are implemented on program/contract, employee will need to conform to 8140 certification standards

Clearance Requirements:

• Must have a minimum of an active Secret clearance at time of interview and candidate must maintain active clearance.

Work Location:

• Fairview Park, Falls Church, VA
• Three (3) days onsite with up to two (2) days telework. Onboarding/transition in period requires on-site support up to 90 days. GECOS work schedules are subject to change on direction by mission requirements from GDIT or USG leadership.

Travel:

• Less than 10%.

GDIT IS YOUR PLACE
At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities
Support: An internal mobility team focused on helping you achieve your career goals
Rewards: Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community: Award-winning culture of innovation and a military-friendly workplace


OWN YOUR OPPORTUNITY
Explore an enterprise IT career at GDIT and you'll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.