Network Protocols Developer Jobs

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Network Software Engineer

Johns Hopkins Applied Physics Laboratory (APL) Laurel, MD

Laurel, MD

Today

$100k - $245k/yr Full time Engineer Engineering Linux Networking

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Job Description

Johns Hopkins Applied Physics Laboratory (APL) is hiring an experienced Network Software Engineer for onsite work in Laurel, MD supporting Government communications missions.

Responsibilities

Contribute technically and provide leadership on software systems supporting critical Government communications.
Share thought leadership by collaborating with colleagues to propose new approaches and concepts for challenging communications and application software problems.
Architect, develop, integrate, and test software-based command and control, secure communications, and networking systems in operationally realistic environments.
Work closely with mission sponsors to support mission success.
Collaborate with specialists across disciplines as part of a multi-organizational team.
Document work through technical reports and memoranda and present findings to sponsors and the technical community.

Requirements

Bachelor’s degree (or higher) in Computer Science, Computer Engineering, or a related technical discipline.
10+ years of relevant software systems experience, ideally with Linux.
Strong networking fundamentals, including: TCP/IP, UDP, routing, switching, DNS, and HTTP/HTTPS.
Proven ability to develop software using current best practices, with experience in several of: C, C++, Python, Rust, BASH scripting.
Experience creating debugging approaches and using tools such as tcpdump, Wireshark, netstat, and ss.
Excellent interpersonal skills; able to work independently and within a multi-organizational team.
Willingness and ability to travel as needed.
Security clearance: Active Top Secret clearance required; must be able to ultimately obtain TS/SCI. U.S. citizenship required. If selected, the candidate will be subject to a Government security clearance investigation and must meet requirements for access to classified information.

Preferred Qualifications

Master’s degree or PhD in Computer Science, Computer Engineering, or a related technical discipline.
20+ years of relevant software systems experience.
Experience leading software projects and managing teams of engineers.
Exposure to US Government and military communications systems and network technologies, including voice and video streaming or conferencing software.
Experience implementing or adapting network protocols (application, transport, routing, or custom protocols).
Deep Linux networking internals knowledge (kernel stack, netfilter, eBPF, XDP).
Experience developing and troubleshooting real-time, low-latency, or high-bandwidth systems.
Experience with container networking and orchestration (Kubernetes, CNI plugins, service meshes).
Familiarity with software-defined networking (SDN) and network function virtualization (NFV).
Experience applying DevOps practices, processes, and tools.
Experience applying software expertise across full project lifecycles, including requirements analysis, design, implementation, and testing.
Security clearance: Active Top Secret clearance with SSBI and recently adjudicated for access to Sensitive Compartmented Information.

Technologies

TCP/IP, UDP, DNS, HTTP/HTTPS
C, C++, Python, Rust, BASH scripting
tcpdump, Wireshark, netstat, ss
Linux

Compensation

Minimum: $100,000 annually
Maximum: $245,000 annually
Pay range is based on JHU APL’s good faith belief at the time of posting.
Actual compensation may vary based on 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 hours worked.
APL may offer bonuses or other compensation per internal policy or contractual designation.
Additional compensation may be available, such as sign-on bonus, relocation benefits, locality allowance, or discretionary payments for exceptional performance.

Benefits

Robust education assistance program
Unparalleled retirement contributions
Healthy work/life balance
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 accepted on a rolling basis

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