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Johns Hopkins Applied Physics Laboratory

Senior Network Engineer

Laurel, MD


Do you love networking?

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

Do you thrive in an inclusive and diverse workplace?

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 6 years running, and we are seeking a Senior Network Engineer to help manage and operate APL's enterprise network. As a member of our team, you'll work and collaborate with a team of hardworking enterprise network engineers. Our team is committed to providing outstanding service to our customers and our IT counterparts within APL. We strive to build a team-oriented environment and value both team and personal accomplishments.

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As a Senior Network Engineer...

  • Design, implement, and maintain an enterprise network architectures.
  • Lead the planning and execution of network infrastructure projects, including migrations, upgrades, and expansions.
  • Develop and enforce network security policies and procedures to safeguard against cyber threats and vulnerabilities.
  • Evaluate and recommend new technologies, tools, and methodologies to enhance network performance and reliability.
  • Provide technical leadership and mentorship to junior members of the networking team.
  • Collaborate with multi-functional teams to integrate network solutions with other IT systems and applications.
  • Conduct regular performance monitoring and capacity planning to ensure optimal network operation.
  • Troubleshoot and resolve escalated network issues, including outages and performance degradation.
  • Develop and maintain comprehensive documentation for network configurations, processes, and procedures.
  • Participate in on-call rotation for after-hours support and emergency response.


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

  • Bachelor's degree in Computer Science, Information Technology, or related field.
  • 10+ years experience in network engineering.
  • In-depth knowledge of networking protocols, technologies, and best practices, including TCP/IP, BGP, OSPF, VLANs, VRRP, and HSRP.
  • Extensive experience with network hardware and software from vendors such as Cisco, Juniper, Palo Alto, and Arista.
  • Solid understanding of network security principles and technologies, including firewalls, VPNs, IDS/IPS, and encryption.
  • Proven track record of designing and implementing large-scale network solutions in enterprise environments.
  • Excellent leadership, communication, and interpersonal skills.
  • Ability to prioritize and lead multiple projects simultaneously in a fast-paced environment.
  • Are able to obtain a Secret security clearance. If selected, you will be subject to a government security clearance 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 working with/maintaining SolarWinds.
  • Have relevant certifications such as CCNP, CCIE, or equivalent.

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 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 at

About Us

APL is an Equal Opportunity/Affirmative Action employer. 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 promoting an innovative environment that embraces diversity, encourages creativity, and supports inclusion of new ideas. In doing so, we are 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 contact Only by ensuring that everyone's voice is heard are we empowered to be bold, do great things, and make the world a better place.

Client-provided location(s): Laurel, MD, USA
Job ID: hopkins-6941_55062
Employment Type: Other