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280 network software engineer jobs at 126 companies in Alexandria, VA

1mo
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Network Software Engineer
Laurel, Maryland, United States
$100k-$245k/yr OnsiteFull Time
Johns Hopkins University Applied Physics Laboratory
Johns Hopkins University Applied Physics Laboratory: Conducts research and engineering for national security and space.
10+ YOEBachelor's in CS/CE or related; 10+ years software development (Linux preferred); strong networking fundamentals; experience with C, C++, Python, Rust, BASH; network debugging tools (tcpdump, Wireshark, netstat, ss); active Top Secret clearance and TS/SCI eligibility; willingness to travel.
C, C++, Python, Rust, BASH, Linux, tcpdump, Wireshark, netstat, ss, Kubernetes, CNI plugins, eBPF, XDP, netfilter
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2mo
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Senior Computer Network Operations Software Engineer
Chantilly or Tysons or Quantico or Huntsville
OnsiteFull Time
Full Visibility
Full Visibility: Provider of technical and engineering solutions for government agencies.
6+ YOEActive TS/SCI clearance, bachelor’s in a computing/engineering field, 6+ years software engineering (4+ supporting CNO), 2+ years automation with Python/Bash/PowerShell/Ansible, Linux admin, Git/Jira/GitLab, Docker/Podman experience.
Python, Bash, PowerShell, Ansible, Ubuntu, Rocky Linux, Git, Jira, GitLab, Docker, Podman, Docker Compose, Kubernetes, Apache NiFi, C, C++
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5d
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Senior Software Developer - Network Devices
Columbia, Maryland, United States
$258k-$264k/yr OnsiteFull Time
ACKtive Engineering Solutions
ACKtive Engineering Solutions: Provides specialized engineering and consulting services for government clients.
10+ YOEActive TS/SCI clearance, Bachelor's in Computer Science or related (or equivalent experience), 10+ years experience with reverse engineering, C, and network devices; experience with embedded/firmware, RTOS, and mobile devices.
C, Real Time Operating System
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1mo
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Network Reliability Engineer
Austin or Atlanta or Denver or Seattle or Washington
HybridFull Time
Cloudflare
CloudflareNYSE: NET: Provides security and performance services for internet properties.
3+ YOE3+ years network/site reliability engineering experience; BA/BS in CS or equivalent; experience with Saltstack, Ansible, Chef, NX-OS/JUNOS/EOS/Cumulus/Sonic; Linux administration; iproute2, Traffic Control, Devlink; software development in Go and Python; AI/LLM tooling experience.
Saltstack, Ansible, Chef, NX-OS, JUNOS, EOS, Cumulus, Sonic, LLM, iproute2, Traffic Control, Devlink, Go, Python, AirFlow, Temporal, FRR, Bird, GoBGP, C, C++, rust, Linux, Linux kernel, Prometheus, Grafana, Thanos, Clickhouse, Kubernetes, Docker, Consul
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1w
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Software Engineer
Middletown or Manassas
$90k-$100k/yr OnsiteFull Time
General Dynamics Mission Systems
General Dynamics Mission SystemsNYSE: GD: Engineers secure communication and mission-critical defense technology systems.
1+ YOEBachelor's in Software Engineering/Engineering/Science/Math plus 1 year or Master's; DoD Secret clearance and U.S. citizenship required; proficiency in C++, networking (AMQP,TCP/UDP), and Git.
C++, AMQP, TCP, UDP, Git, Linux, Kubernetes, Docker, QT Framework, Jira, Confluence
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2mo
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Senior Software Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Entegra Systems
Entegra Systems: Provides engineering and intelligence analysis for government missions.
11+ YOE11+ years as Software Engineer; Linux; Java with Spring, Maven, Git, Subversion; networks/protocols; test planning; strong communication.
Java, Eclipse, Spring Framework, Maven, Git, Subversion, JIRA, Jenkins, JUnit, MongoDB, Linux
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2w
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Software Developer
Sterling, Virginia, United States
OnsiteFull Time
ASSYST
ASSYST: An IT firm specializing in digital transformation, DevSecOps, cyber security, and AI integration for government clients.
Master's in Computer Science or related required; expertise in software engineering, AI/ML, data science, deep learning, neural networks, and quality assurance testing; ability to travel to local clients.
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3w
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Senior Lead Software Engineer - Network Infrastructure and Automation
Annapolis Junction or Sterling
$122k-$253k/yr OnsiteFull Time
Nightwing
Nightwing: Provides advanced cyber and intelligence solutions for national security.
5+ YOEBachelor's in STEM or equivalent, 5+ years network infrastructure and DevOps networking experience, active TS/SCI with polygraph, U.S. citizenship, Python and SDN expertise, Kubernetes and CI/CD experience.
Python, Shell Scripting, BGP, VRF, MPLS, IP, TCP, UDP, VMware NSX-T, Kubernetes, Helm, Podman, Docker, Jenkins, GitLab CI, Ansible, Terraform, Git, Kafka, REST, gRPC, NETCONF, RESTCONF, GitHub Copilot, Claude Code, Calico, OVN, Cilium
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1d
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Software Integration Engineer - Data and Network
Clarksburg, Maryland, United States
$120k-$200k/yr OnsiteFull Time
Forterra
Forterra: Develops autonomous ground vehicle systems and software for defense.
Bachelor's or equivalent experience; strong networking fundamentals; Linux command-line debugging; Python scripting; clear communicator; willing to travel ~25–33% to program sites.
Python, Linux, C/C++, Bash, CI/CD, containers, monitoring/alerting
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1mo
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Senior Software Developer (Systems Software)
Columbia or Fort Meade
$146k/yr OnsiteFull Time
Endictus
Endictus: Provides cybersecurity and systems engineering services to federal agencies.
10+ YOEActive TS/SCI with CI Polygraph; degree in CS or related field; extensive systems software and CNO experience; proficiency in C/C++, Java or Python; strong OS, networking, distributed systems, and software engineering skills.
C, C++, Java, Python
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2mo
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Software Engineer (C++ / Networking)
Herndon, Virginia, United States
$90k-$110k/yr OnsiteFull Time
Cubic
Cubic: Develops defense training systems and public transit fare technology.
2+ YOESenior C++ engineer with networking experience; hands-on, building reliable, performant networked systems.
C++, Java, C#, Unix, Windows, IDEs
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2w
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Intermediate Software Engineer
King George or Dahlgren
$76k-$156k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
3+ YOEActive or obtainable Secret clearance; bachelor’s degree in STEM; 3+ years software/systems engineering experience; C/C++/Java/Python experience; DevSecOps and CI/CD knowledge; networking and Agile familiarity.
GITLAB, YAML, Artifactory, Jira, Atlassian, NetBeans, Python, C++, C, Batch, Java
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3w
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Software Engineer
Warrenton, Virginia, United States
$100k-$150k/yr OnsiteFull Time
Altamira Technologies
Altamira TechnologiesNYSE: PSN: Provides data analytics and engineering for national security missions.
Professional software development experience with C/C++ and Python, Linux systems, multi-threading, IPC, network socket programming, DSP algorithm implementation, and CI/CD practices.
C++, Python, Linux, GitLab CI, Git, Jira, CUDA, OpenCL, Docker, Podman, NumPy, SciPy, FFTW, GNU Radio, REDHAWK, X-Midas
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3mo
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Mid Level Software Engineer
Baltimore, Maryland, United States
$125k-$150k/yr HybridFull Time
BlackSea Technologies
BlackSea Technologies: Designs and manufactures autonomous maritime vessels and defense hardware.
3+ YOE3-7 years software engineering, strong C++, distributed systems, robotics/autonomy, AI-assisted development tools; APIs and networking experience.
C++, MAVLink, Protobuf, DDS, CAN, TCP/IP, serial, OpenAI Codex, Claude Code
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1w
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Software Engineer
Chantilly, Virginia, United States
OnsiteFull Time
VTG
VTG: Provides force modernization and digital transformation for defense agencies.
11+ YOEActive TS/SCI with polygraph, Bachelor's degree, 11+ years experience, strong software development with Python and JavaScript, Linux administration, Unix shell scripting, network traffic analysis, testing harnesses, and AWS CDK.
Python, JavaScript, Linux, AWS Cloud Development Kit (CDK)
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1w
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Senior Lead Software Engineer, Full Stack (Global Payment Network)
Riverwoods or McLean
$209k-$262k/yr OnsiteFull Time
Capital One
Capital OneNYSE: COF: Financial services offering credit cards, banking, and loans.
6+ YOE1+ MgmtBachelor's degree,6+ years software engineering experience,1+ year cloud experience,proficiency with JavaScript,Java,TypeScript,SQL,Python or Go,experience with Docker,Kubernetes and AWS,1+ year people management preferred.
JavaScript, Java, HTML/CSS, TypeScript, SQL, Python, Go, Docker, Kubernetes, AWS, Microsoft Azure, Google Cloud
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3mo
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Embedded Linux Software Engineer
Ashburn, Virginia, United States
HybridFull Time
Codan
CodanAustralian Securities Exchange: CDA: Designs and manufactures communications and metal detection technology.
Bachelor's or Master's in EE/CE/CS; embedded Linux; digital hardware; leadership in distributed teams; C/C++/Python; networking; hardware/software debugging; cross-domain collaboration.
C/C++, Python, Embedded Linux, Kernel drivers, Device trees, Networking, CI/CD
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2mo
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C++ Software Engineer
Washington or Richmond or Atlanta or Austin
RemoteFull Time
iboss
iboss: Provides cloud-delivered network security and threat protection services.
7+ YOE7+ years of software development experience in large-scale networking; TCP/IP, HTTP, DNS; distributed architectures; Unix; Agile; strong SQL and data modeling.
C++, C, SQL, Unix, TCP/IP, HTTP, DNS, Distributed systems, Agile
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2mo
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Network-Savvy CNO Developer
Fort Meade, Maryland, United States
$181k-$203k/yr OnsiteFull Time
ARSIEM
ARSIEM: Provides cybersecurity and software engineering to government agencies.
10+ YOE10+ years C development and reverse engineering; 3+ years cybersecurity/CNO development; TS/SCI with poly
C, Reverse Engineering, CNO Development, Network Devices, RTOS
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1mo
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Cybersecurity Software Engineer
Fairfax or Austin
$94k-$198k/yr HybridFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
5+ YOEBachelor's degree, active TS/SCI, 5+ years cyber engineering (2+ with modern software), Kubernetes security, IaC/PaaS/DevSecOps experience, Ansible and scripting, SIEM/SAST/DAST/SCA familiarity, network protocol knowledge.
Kubernetes, SIEM, SAST, DAST, SCA, Ansible, SBOM, RBOM, TCP/IP, STIG, SRG, CIS, DevSecOps, IaC, PaaS, IAM, SDLC
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