Demo

Network Specialist-Department of Defense

The Building People
Leesburg, VA Full Time
POSTED ON 10/29/2025
AVAILABLE BEFORE 12/29/2025

The Building People, LLC, has a position open for a full-time Network Specialist - Department of Defense. The Network Specialist designs, implements, and defends networks supporting facility and operational technology environments for Industrial Control Systems such as UMCS, ESS, FAS, SCADA, and metering. Responsibilities include architecture and segmentation, routing and switching, firewall and VPN configuration, access control and authentication services, monitoring and incident support, documentation, and compliance with applicable DoD cybersecurity requirements. This role supports a Department of Defense mission and collaborates with cybersecurity, systems engineering, and field teams to deliver secure, reliable connectivity.


Required Experience & Skills

  • Experience designing and operating routed and switched networks for OT/ICS environments, including VLANs/VRFs, inter-VLAN routing, and site-to-site connectivity.
  • Hands-on configuration of firewalls, routers, and Layer 3 switches (ACLs, NAT, VPNs, IPsec/SSL, high availability).
  • Network access control experience (802.1X/MAB), RADIUS/TACACS , and certificate/PKI basics.
  • Implementation of monitoring and detection: syslog, NetFlow, SNMP, IDS/IPS, and SIEM integration.
  • Familiarity with ICS protocols and security considerations such as BACnet and Modbus, and PPS allowlisting at boundaries.
  • Experience applying DISA STIGs/SRGs, secure baseline configurations, and maintaining hardened images.
  • Coordination of vulnerability scanning and remediation (e.g., ACAS) and patch management windows appropriate for ICS.
  • Ability to produce network diagrams, IP plans, inventories, and as-built documentation; support CDRLs and turnover packages.
  • Proficiency with troubleshooting tools such as Wireshark and vendor diagnostics; basic scripting or automation is a plus.
  • Strong communication skills for coordination with stakeholders and preparation of technical documentation.
  • Ability to travel to active project sites, including secure facilities.
  • Must meet DoDD 8570.01 and DoD 8570-M requirements for IAT Level 1 or 2, or IASAE Level 1 or 2, OR meet requirements for a CND role (CND-A, CND-IS, CND-IR, or CND-AU).

Preferred Experience & Skills

  • Vendor certifications such as CCNA/CCNP, PCNSE, JNCIS/JNCIP, Fortinet NSE, or equivalent; experience with Cisco ISE or comparable NAC platforms.
  • GICSP, GRID, or ISA/IEC 62443 credentials.
  • Experience implementing Zero Trust principles for OT networks, DMZ architectures, and jump/bastion solutions.
  • Experience with time synchronization for control systems (NTP/PTP), out-of-band management networks, and industrial Ethernet switches.
  • Prior experience on federal task order contracts for facility modernization or control systems programs.
  • Required Education

  • Bachelor's degree in information technology, network engineering, computer science, or related discipline, or equivalent experience.

Preferred Education

  • Advanced degree in a related field or additional graduate certificate work in cybersecurity or network engineering.

Clearance

  • Ability to obtain a Secret Clearance.

Travel

  • Minimum 25% to job sites CONUS and OCONUS as required by task orders.

*Our positions may require a background screening and clearance directly from the Government.

*Please note that telework arrangements are subject to change based on customer requirements.

ADDITIONAL INFORMATION

Competitive benefits for eligible employees include:

  • Medical & Rx
  • Dental
  • Vision
  • Flexible Spending Accounts
  • 401(k) Retirement Plan
  • Life Insurance/AD&D
  • Long Term Disability and Short-Term Disability
  • Paid Time Off
  • Holiday Pay

All positions require a background check after acceptance of our offer. The selected candidate will be eligible to begin employment before the background check has been finalized. However, continued employment will be contingent upon the results of your reference/background check from The Building People, LLC. Your position may require special credentialing, clearance, and access as a condition of employment. In the event the government or client does not sponsor or approve your clearance, it may result in termination of your employment.

If you need a reasonable accommodation for any part of the employment process, please contact us by email at reasonableaccomodation@thebuildingpeople.com and let us know the nature of your request and your contact information. Requests for accommodation will be considered on a case-by-case basis. Please note that only inquiries concerning a request for reasonable accommodation will be responded to from this e-mail address.

For more information, view the EEO is the Law Poster and Pay Transparency Statement.


We are an Equal Employment/Affirmative Action employer. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law.


 

Salary.com Estimation for Network Specialist-Department of Defense in Leesburg, VA
$96,333 to $123,872
If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Network Specialist-Department of Defense?

Sign up to receive alerts about other jobs on the Network Specialist-Department of Defense career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$61,481 - $94,767
Income Estimation: 
$83,758 - $120,604
Income Estimation: 
$85,588 - $121,698
Income Estimation: 
$65,335 - $84,218
Income Estimation: 
$92,324 - $126,561
Income Estimation: 
$80,853 - $105,041
Income Estimation: 
$92,744 - $120,340
Income Estimation: 
$80,853 - $105,041
Income Estimation: 
$113,640 - $142,321
Income Estimation: 
$101,952 - $131,428
Income Estimation: 
$114,502 - $144,630
Income Estimation: 
$125,425 - $164,196
Income Estimation: 
$161,645 - $210,079
Income Estimation: 
$141,174 - $187,068
Income Estimation: 
$146,460 - $193,076
Income Estimation: 
$101,952 - $131,428
Income Estimation: 
$161,645 - $210,079
Income Estimation: 
$125,425 - $164,196
Income Estimation: 
$130,162 - $165,530
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at The Building People

The Building People
Hired Organization Address Point, NY Full Time
The Senior Building Controls Technician will provide services related to the expansion, upgrade or replacement of buildi...
The Building People
Hired Organization Address Reston, VA Full Time
Description/Job Summary The Building People, LLC, has a position open for a full-time Watch Engineer for the facilities ...
The Building People
Hired Organization Address Reston, VA Full Time
Description/Job Summary The Building People is seeking an Electrician who can perform installation, repair, and maintena...
The Building People
Hired Organization Address Point, NY Full Time
The **BAS Service Technician** will provide services related to the retro commissioning and calibration of existing cont...

Not the job you're looking for? Here are some other Network Specialist-Department of Defense jobs in the Leesburg, VA area that may be a better fit.

Cybersecurity Network Defense Specialist

PCI Government Services, Quantico, VA

Network Engineer

VTG Defense, Herndon, VA

AI Assistant is available now!

Feel free to start your new journey!