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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$170k-$323k/yr HybridFull Time
10+ YOEBachelor’s degree in CS/Engineering/Info Systems, 10+ years cybersecurity engineering and software development, experience with security architectures, standards and certifications, strong communication and executive influence skills.
Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1AR Device Identities, NIST SP 800-53, DISA SRG/STIG, Common Criteria, Agentic AI, FIPS, TLS, SSH, Cryptography
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/Information Systems; 10+ years in cybersecurity engineering, architecture, and software development; expertise in cybersecurity standards, solutions, and compliance; strong communication and leadership skills.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, Post-Quantum Cryptography (PQC), EU Cyber Resilience Act (EU CRA), 802.1 ar Device Identities, cybersecurity Agentic AI, FIPS, TLS/SSH, Cryptography
4w
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Software Engineer, Network Systems
Nashua, New Hampshire, United States
OnsiteFull Time
1+ YOEExperience with C/C++ and Python, Unix/Linux knowledge, experience with low-level hardware components, BS/MS/PhD in CS/EE/CE (or equivalent experience), strong problem-solving and software engineering skills.
C, C++, Python, UNIX, Linux
1mo
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Senior Cybersecurity Systems Software Engineer
Colorado Springs or Durham or Spring or Fort Collins or Andover
$162k-$371k/yr HybridFull Time
10+ YOEBachelor's or Master's in CS/Engineering/IS, 10+ years cybersecurity engineering/architecture and software development experience, strong knowledge of cybersecurity standards and technologies, ability to design solutions, lead certification/compliance, and mentor teams.
NIST SP 800-53, DISA SRG/STIG, Common Criteria, PQC, EU CRA, 802.1ar, Agentic AI, FIPS, TLS, SSH, Cryptography
2mo
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Software Engineer - Systems Integration
Nashua or Manchester
$118k-$201k/yr OnsiteFull Time
6+ YOEBachelor's (or equivalent) with 6+ years' experience, active US Secret clearance (ability to obtain Top Secret/SCI), experience with MATLAB, Python, Ruby, SQL, C#, system engineering across lifecycle, leadership and test/integration experience, U.S. person required.
MATLAB, Python, Ruby, SQL, C#, MagicDraw, Web Development
3w
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Senior Systems Engineer
Wilmington, Massachusetts, United States
$115k-$173k/yr OnsiteFull Time
5+ YOEMS in engineering or related field,5–10 years developing complex electro-mechanical systems with software controls,system design and project management experience.
1w
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Sr Software Engineer - Database Systems
Lowell, Massachusetts, United States
$102k-$147k/yr HybridFull Time
4+ YOE4+ years working with PostgreSQL/EDB Postgres, UNIX/Linux, scripting (Python/Shell), cloud (GCP), CI/CD and automation tools; bachelor's in CS/Engineering or equivalent.
PostgreSQL, EDB Postgres Advanced Server (EPAS), UNIX, Linux, Python, Shell, Google Cloud Platform (GCP), GitHub, Jenkins, GitHub Actions, Terraform, Ansible, JIRA, Splunk, Grafana, AlloyDB, Bigtable, BigQuery, Cloud SQL, Java, Apache, Tomcat
4w
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Business Systems Software Engineer II (Hybrid)
Hudson, New Hampshire, United States
$79k-$135k/yr HybridFull Time
2+ YOEBachelor's in CS/Software Engineering or 4 years relevant experience; proficiency with Python, Java, JavaScript, Android Studio; cloud, container, and Git experience preferred; typically 2 years' experience.
Python, Java, JavaScript, Android Studio, AWS, Azure, GCP, Docker, Kubernetes, Git
1mo
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Principal Systems Engineer
Tewksbury or Marlborough
$108k-$205k/yr OnsiteFull Time
8+ YOESTEM degree and 8+ years experience; active transferable U.S. government Secret clearance and U.S. citizenship required; systems engineering experience (software/hardware/requirements/integration/test); MATLAB proficiency.
MATLAB, C++, Python, DOORS, Rhapsody, Cameo
2mo
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Senior Software Systems Engineer- HVAC Controls
Chelmsford, Massachusetts, United States
$105k-$148k/yr OnsiteFull Time
Engineering or CS degree; strong computer skills (Word, Excel, Visio); experience with electrical/IT/controls; programming experience (Python/SQL); Siemens TIA and Tridium Niagara preferred; willingness to travel; able to drive projects from design to commissioning.
Microsoft Word, Microsoft Excel, Visio, Siemens TIA, Tridium Niagara, Python, SQL
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Software Engineer, Core Systems & Platform Services
Wilmington, Massachusetts, United States
$96k-$132k/yr HybridFull Time
0+ YOEBachelor's in Computer Science or related; 0–3 years professional software engineering experience; experience with robotics/automation; strong algorithms and data structures; proficiency in C#, Java, or Python; valid driver’s license; willingness to travel up to 10%.
C#, .NET, Java, Python
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Systems Software Test Lead - Robotics
North Reading, Massachusetts, United States
$150k-$190k/yr OnsiteFull Time
10+ YOEBachelor's in engineering/CS/robotics required (Master's preferred), 10+ years systems/test leadership in robotics or distributed software, Python and AWS experience, test strategy and systems integration expertise.
Python, AWS, ROS, ROS2, MBSE
1mo
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Senior Systems Engineer
Tewksbury, Massachusetts, United States
$95k-$126k/yr OnsiteFull Time
3+ YOEBachelor's in software engineering or related field, 3+ years software development, 1 year AI development preferred, knowledge of AI open-source frameworks and tactical data links, U.S. citizenship required for clearance, strong communication and problem-solving skills.
AI, AI open-source frameworks, Tactical Data Link (TDL)
2w
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Principal Systems Engineer-Future Opportunity
Merrimack, New Hampshire, United States
OnsiteFull Time
9+ YOEBachelor's in engineering, 9+ years electro-mechanical systems experience, hardware/software integration, onsite daily presence, experience with multidisciplinary requirements and FDA/ISO processes.
2mo
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Systems Integration Engineer – Robotic
Wilmington, Massachusetts, United States
$110k-$152k/yr OnsiteFull Time
MS or PhD in Electrical/Mechanical Engineering, Robotics, or Mechatronics; strong hardware-software integration, embedded systems, lab characterization; CAD/PCB familiarity; problem-solving mindset.
C, C++, Python, MATLAB, ROS/ROS2, CAD, PCB design, SPI/I2C/UART/CAN, Oscilloscope, Logic Analyzer, DMM
2mo
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Senior Systems Engineer
Merrimack, New Hampshire, United States
OnsiteFull Time
5+ YOE5+ years engineering experience; Bachelor’s or Master’s in Electrical, Electro-optical, Mechanical, or Software Engineering; DoD Secret clearance; MBSE experience preferred; GNC background preferred.
Model Based System Engineering (MBSE), CAMEO
1w
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Principal Engineer – Autonomous Systems
Gulfport or Durham or Baton Rouge or Columbia
OnsiteFull Time
10+ YOEU.S. citizen able to obtain DoD Secret clearance; deep autonomous systems experience; proficiency in modern software engineering and production languages; ability to secure and shape S&T funding.
Git, Python, C++, Rust, PyTorch, TensorFlow, Gazebo, Isaac Sim, MOOS-IvP
3w
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Sr. Software Engineer – Distributed Systems & Platform Integration
Salem, New Hampshire, United States
OnsiteFull Time
Experience with C++ in production, API design (gRPC/REST), distributed systems concepts, Linux development, and ability to design cross-system integrations.
C++, gRPC, REST, Rust, Protocol Buffers, Python, GitHub Copilot, Qt, Linux
2w
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Senior Staff Software Engineer
Austin or Nashua or Minneapolis
OnsiteFull Time
10+ YOEBachelor's or equivalent,10+ years software development,7+ years backend,distributed systems and SQL expertise,Java preferred,cloud-native and query engine/DSL experience.
NetScript, Java, Snowflake, BigQuery, Redshift, Databricks, SQL
1mo
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Senior Software Engineer, Infrastructure Automation and Distributed Systems
Westford or Austin or Durham or South Carolina or California
$224k-$431k/yr RemoteFull Time
12+ YOEBS in CS or equivalent experience; 12+ years relevant experience; infrastructure automation and distributed systems experience; proficiency in Python/Go/Perl/Ruby; strong Linux, networking, storage, and container knowledge; on-call/incident response experience.
Python, Go, Perl, Ruby, Linux, Networking, Storage, Containers, Kubernetes, OpenStack, Docker, Slurm, NVIDIA Collective Communication Library (NCCL), EDA, BMaaS, MCP
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