We use cookies. Find out more about it here. By continuing to browse this site you are agreeing to our use of cookies.
#alert
Back to search results
New

Senior Classified Network Engineer

The Johns Hopkins University Applied Physics Laboratory
life insurance, paid time off
United States, Maryland, Laurel
11100 Johns Hopkins Road (Show on map)
Jun 11, 2026
Description

Are you passionate about networking?

Are you passionate about securing and supporting the nation's critical classified networks?

If so, we're looking for someone like you to join our team at APL!

We are ranked as one of Computerworld 's Top Places to Work in IT 8 years running. We are seeking a Classified Network Engineer to help manage and operate six isolated classified enterprise networks at varying classifications. As a member of our team, you'll work and collaborate with a small team of hardworking network engineers and partner with our unclassified APL enterprise network team on challenging problems and initiatives. Our team is committed to providing outstanding customer service to our internal customers and shadow IT counterparts within APL. We strive to build a team-oriented environment and value both team and personal accomplishments.

As a Classified Network Engineer...

  • Manage and support the day-to-day operations of six air-gapped classified networks.
  • Securely build, maintain, and upgrade network infrastructure while ensuring compliance with security mandates and configurations.
  • Lead network projects to improve the security, reliability, and performance of classified networks.
  • Serve as a technical subject matter expert (SME) for classified network technologies and security posture, mentoring junior engineers and guiding cross-functional teams.
  • Design and document network architectures and configurations for classified environments, including diagrams, standards, and configuration baselines.
  • Collaborate with cybersecurity and systems teams to support RMF/ATO processes, maintain SOPs, and respond to security assessments (e.g. STIG findings, audits, inspections).

Qualifications

You meet our minimum qualifications for the job if you...

  • Possess aBachelor's degree in Computer Science, Information Technology, related field or equivalent professional experience.
  • Have 7+ years of experience working with Cisco IOS or similar network operating systems in a classified environment.
  • Currently maintain an active Cisco CCNP certification or equivalent.
  • Have hands on experience working with routing and switching technologies and protocols (e.g., BGP, OSPF, VRFs, VLANs, 802.1X).
  • Have experience configuring, managing, and troubleshooting TACLANEs.
  • Have experience with high-availability designs (e.g. HSRP/VRRP).
  • Possess hands-on experience administering/maintaining classified enterprise networks.
  • Successfully led an engineering effort from concept development to implementation, providing regular progress updates to stakeholders and driving the project to completion.
  • Demonstrated strong troubleshooting skills and sound technical judgment in complex network environments.
  • Have experience with applying DoD STIGs on network switches/routers.
  • Maintain a current DoD 8570 certification (Security+ or CISSP).
  • Are willing and able to work outside normal working hours to complete critical maintenance and resolve outages.
  • Excellent oral and written communication skills, including articulating and presenting highly technical information in a comprehensible manner to all levels of management and staff
  • An active Secret with the ability to obtain a Top-Secret security clearance. If selected, you will be subject to a government security investigation and must meet the requirements for access to classified information. Eligibility requirements include U.S. citizenship.

You'll go above and beyond our minimum requirements if you...

  • Have experience working with Arista EOS.
  • Have experience with scripting and use of automated tools (e.g., Python, Ansible).
  • Have experience working with and maintaining SolarWinds.
  • Active Top Secret security clearance

About Us

Why Work at APL?

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation's most critical defense, security, space and science challenges. While we are dedicated to solving complex challenges and pioneering new technologies, what makes us truly outstanding is our culture. We offer a vibrant, welcoming atmosphere where you can bring your authentic self to work, continue to grow, and build strong connections with inspiring teammates.

At APL, we celebrate our differences of perspectives and encourage creativity and bold, new ideas. Our employees enjoy generous benefits, including a robust education assistance program, unparalleled retirement contributions, and a healthy work/life balance. APL's campus is located in the Baltimore-Washington metro area. Learn more about our career opportunities athttp://www.jhuapl.edu/careers.

All qualified applicants will receive consideration for employment without regard to race, creed, color, religion, sex, gender identity or expression, sexual orientation, national origin, age, physical or mental disability, genetic information, veteran status, occupation, marital or familial status, political opinion, personal appearance, or any other characteristic protected by applicable law.APL is committed to providing reasonable accommodation to individuals of all abilities, including those with disabilities. If you require a reasonable accommodation to participate in any part of the hiring process, please contactAccommodations@jhuapl.edu.

The referenced pay range is based on JHU APL's good faith belief at the time of posting. Actual compensation may vary based on factors such as geographic location, work experience, market conditions, education/training and skill level with consideration for internal parity. For salaried employees scheduled to work less than 40 hours per week, annual salary will be prorated based on the number of hours worked. APL may offer bonuses or other forms of compensation per internal policy and/or contractual designation. Additional compensation may be provided in the form of a sign-on bonus, relocation benefits, locality allowance or discretionary payments for exceptional performance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development. Applications are accepted on a rolling basis.


Minimum Rate

$105,000 Annually

Maximum Rate

$290,000 Annually
Applied = 0

(web-77cf7d65c7-llqmg)