{"schemaVersion":"jobsearcher.job.v1","id":"98ebcea3cfdb798878a73b08","url":"https://jobsearcher.com/jobs/98ebcea3cfdb798878a73b08","canonicalUrl":"https://jobsearcher.com/jobs/98ebcea3cfdb798878a73b08","title":"Principal Software Engineer","description":"Position Title: Principal Software Engineer\nRequisition ID: 1801\nPosition Location: Fairfax, VA\nPosition Reports To: Program Manager\nSupervises Others: No\n\nTrident has built a reputation as a trusted provider of aerospace and defense electronics & processing systems including digital RF & Optical command and control solutions and atmospheric & airborne sensors. Our three operating units: Space Electronic Systems (SES), Integrated C4ISR Systems (ICS) and Optical Precision Systems (OPS), develop within the agile framework which enables us to produce proven, purpose-built systems that solve our customers’ mission critical challenges across space, air, land, and sea.\nTrident’s Integrated C4ISR Systems (ICS) specializes in products and services which improve the safety and survivability of our armed forces. We develop solutions for a wide range of demanding missions and environments, including tactical communications systems for multi-national interoperability, autonomous predictive maintenance and logistics solutions, and scalable, responsive, all-domain surveillance systems. Trident's integrated systems support the protection of the National Capital Region and various military installations both domestic and abroad. We can deliver innovative, high-performance solutions that meet our customers' evolving requirements by integrating our specialized knowledge in electronic systems with appropriately scaled development methodologies.\n\nPosition Summary\nThis position will be part of a team responsible for software design and development for Predictive Maintenance & Logistics (PM&L) projects and other internal software development efforts within the ICS Business Unit. The Principal Software Engineer will design, implement, and test software that supports data manipulation and storage, translation, sensor data capture and transmission, export of data to multiple platforms, conversion to standardized messaging formats, and graphical user interface design. The role requires development predominantly in python on Linux systems, including interaction between processors, external devices, external software interfaces, and networked systems. The employee will work as part of a fast-paced engineering team, support technical demonstrations and test events, and document development efforts through design documentation, interface control documents, user manuals, and test plans.\n\nDuties and Responsibilities\nDesign, implement, and test custom software for condition-based maintenance and other internal projects.\nDevelop software for data manipulation, storage, translation, sensor data capture, sensor data transmission, and export to different platforms.\nConvert and integrate data into standardized messaging formats and external software interfaces.\nBuild and maintain software interfaces to databases, APIs, file-based data sources, message brokers, and external applications.\nImplement algorithms in software for data manipulation, analysis, and presentation.\nDevelop software that operates in conjunction with external and embedded hardware/software across Linux, Windows, and Android environments.\nDocument development efforts through design documentation, interface control documents, user manuals, and test plans.\nSupport software packaging, deployment, configuration management, and troubleshooting in lab, field, and customer environments.\nSupport technical test events, demonstrations, and customer-facing engineering activities as part of a fast-paced team.\n\nRequired Qualifications\nBachelor’s degree in Computer Science, Software Engineering, Data Science, or equivalent and a minimum of 9 years of related experience working in an agile environment OR 7 years with a graduate degree (or 13 total years in lieu of a degree).\nExperience with Python software development.\nExperience developing maintainable production-quality software, including modular design, error handling, logging, configuration management, and unit/integration testing.\nExperience with Python libraries and frameworks for data processing, automation, APIs, and/or application development.\nExperience working in Linux and Windows development environments.\nExperience with data formats and interfaces such as JSON, CSV, XML, REST APIs, sockets, message queues, or similar mechanisms.\nExperience with databases and data storage technologies such as PostgreSQL, SQLite, InfluxDB, object storage, or similar systems.\nExperience with software revision control systems such as Git, SVN, or similar tools.\nAbility to troubleshoot software issues across applications, operating systems, networks, and external system interfaces.\n\nPreferred Qualifications\nExperience with condition-based maintenance, predictive maintenance, vehicle health management, telemetry, sensor data, or diagnostic systems.\nExperience with data analytics, signal processing, machine learning, or algorithm implementation in Python.\nExperience with Python web or API frameworks such as Flask, FastAPI, Django, Dash, or similar tools.\nExperience with embedded Linux, edge-compute devices, or software interaction with embedded/external hardware.\nExperience with containerization, deployment, and DevOps tools such as Docker, CI/CD pipelines, or automated build systems.\nStrong verbal and written communication skills with the ability to document technical work clearly.\nStrong team orientation and ability to work effectively in a fast-paced engineering environment.\nBenefits\nHired applicants may be eligible for benefits including but not limited to:\nHealth benefits\nMedical\nDental\nVision\nBasic life with AD&D\nShort term disability\nLong term disability\nAncillary (Voluntary life with AD&D, accident, critical illness, hospital, and pet)\nSpending accounts (HSA, FSA, and DCFSA)\nPaid time off\nHolidays\n401(k) (including automatic company contribution)\nTuition reimbursement\nLeaves (Parental, pregnancy, and military)\nPotential annual bonus\n\nTrident Systems reserves the right to change or assign other duties to this position.\nTrident Systems is an affirmative action and equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. To request reasonable accommodation to participate in the job application or interview process, please contact recruiting@tridsys.com.\nPay Transparency: The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)","company":"Trident Systems","rawCompany":"trident systems","city":"Fairfax","state":"VA","isRemote":false,"isActive":false,"createdAt":"2026-07-27T13:39:52.653Z","occupations":[{"code":"15-1252.00","title":"Software Developers","slug":"software-developers"},{"code":"15-1299.08","title":"Computer Systems Engineers/Architects","slug":"computer-systems-engineers-architects"},{"code":"15-1211.00","title":"Computer Systems Analysts","slug":"computer-systems-analysts"}],"industries":[{"code":"541512","title":"Computer Systems Design Services","slug":"computer-systems-design-services"},{"code":"541511","title":"Custom Computer Programming Services","slug":"custom-computer-programming-services"},{"code":"513210","title":"Software Publishers","slug":"software-publishers"}],"jobPosting":{"@context":"https://schema.org","@type":"JobPosting","title":"Principal Software Engineer","description":"Position Title: Principal Software Engineer\nRequisition ID: 1801\nPosition Location: Fairfax, VA\nPosition Reports To: Program Manager\nSupervises Others: No\n\nTrident has built a reputation as a trusted provider of aerospace and defense electronics & processing systems including digital RF & Optical command and control solutions and atmospheric & airborne sensors. Our three operating units: Space Electronic Systems (SES), Integrated C4ISR Systems (ICS) and Optical Precision Systems (OPS), develop within the agile framework which enables us to produce proven, purpose-built systems that solve our customers’ mission critical challenges across space, air, land, and sea.\nTrident’s Integrated C4ISR Systems (ICS) specializes in products and services which improve the safety and survivability of our armed forces. We develop solutions for a wide range of demanding missions and environments, including tactical communications systems for multi-national interoperability, autonomous predictive maintenance and logistics solutions, and scalable, responsive, all-domain surveillance systems. Trident's integrated systems support the protection of the National Capital Region and various military installations both domestic and abroad. We can deliver innovative, high-performance solutions that meet our customers' evolving requirements by integrating our specialized knowledge in electronic systems with appropriately scaled development methodologies.\n\nPosition Summary\nThis position will be part of a team responsible for software design and development for Predictive Maintenance & Logistics (PM&L) projects and other internal software development efforts within the ICS Business Unit. The Principal Software Engineer will design, implement, and test software that supports data manipulation and storage, translation, sensor data capture and transmission, export of data to multiple platforms, conversion to standardized messaging formats, and graphical user interface design. The role requires development predominantly in python on Linux systems, including interaction between processors, external devices, external software interfaces, and networked systems. The employee will work as part of a fast-paced engineering team, support technical demonstrations and test events, and document development efforts through design documentation, interface control documents, user manuals, and test plans.\n\nDuties and Responsibilities\nDesign, implement, and test custom software for condition-based maintenance and other internal projects.\nDevelop software for data manipulation, storage, translation, sensor data capture, sensor data transmission, and export to different platforms.\nConvert and integrate data into standardized messaging formats and external software interfaces.\nBuild and maintain software interfaces to databases, APIs, file-based data sources, message brokers, and external applications.\nImplement algorithms in software for data manipulation, analysis, and presentation.\nDevelop software that operates in conjunction with external and embedded hardware/software across Linux, Windows, and Android environments.\nDocument development efforts through design documentation, interface control documents, user manuals, and test plans.\nSupport software packaging, deployment, configuration management, and troubleshooting in lab, field, and customer environments.\nSupport technical test events, demonstrations, and customer-facing engineering activities as part of a fast-paced team.\n\nRequired Qualifications\nBachelor’s degree in Computer Science, Software Engineering, Data Science, or equivalent and a minimum of 9 years of related experience working in an agile environment OR 7 years with a graduate degree (or 13 total years in lieu of a degree).\nExperience with Python software development.\nExperience developing maintainable production-quality software, including modular design, error handling, logging, configuration management, and unit/integration testing.\nExperience with Python libraries and frameworks for data processing, automation, APIs, and/or application development.\nExperience working in Linux and Windows development environments.\nExperience with data formats and interfaces such as JSON, CSV, XML, REST APIs, sockets, message queues, or similar mechanisms.\nExperience with databases and data storage technologies such as PostgreSQL, SQLite, InfluxDB, object storage, or similar systems.\nExperience with software revision control systems such as Git, SVN, or similar tools.\nAbility to troubleshoot software issues across applications, operating systems, networks, and external system interfaces.\n\nPreferred Qualifications\nExperience with condition-based maintenance, predictive maintenance, vehicle health management, telemetry, sensor data, or diagnostic systems.\nExperience with data analytics, signal processing, machine learning, or algorithm implementation in Python.\nExperience with Python web or API frameworks such as Flask, FastAPI, Django, Dash, or similar tools.\nExperience with embedded Linux, edge-compute devices, or software interaction with embedded/external hardware.\nExperience with containerization, deployment, and DevOps tools such as Docker, CI/CD pipelines, or automated build systems.\nStrong verbal and written communication skills with the ability to document technical work clearly.\nStrong team orientation and ability to work effectively in a fast-paced engineering environment.\nBenefits\nHired applicants may be eligible for benefits including but not limited to:\nHealth benefits\nMedical\nDental\nVision\nBasic life with AD&D\nShort term disability\nLong term disability\nAncillary (Voluntary life with AD&D, accident, critical illness, hospital, and pet)\nSpending accounts (HSA, FSA, and DCFSA)\nPaid time off\nHolidays\n401(k) (including automatic company contribution)\nTuition reimbursement\nLeaves (Parental, pregnancy, and military)\nPotential annual bonus\n\nTrident Systems reserves the right to change or assign other duties to this position.\nTrident Systems is an affirmative action and equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. To request reasonable accommodation to participate in the job application or interview process, please contact recruiting@tridsys.com.\nPay Transparency: The contractor will not discharge or in any other manner discriminate against employees or applicants because they have inquired about, discussed, or disclosed their own pay or the pay of another employee or applicant. However, employees who have access to the compensation information of other employees or applicants as a part of their essential job functions cannot disclose the pay of other employees or applicants to individuals who do not otherwise have access to compensation information, unless the disclosure is (a) in response to a formal complaint or charge, (b) in furtherance of an investigation, proceeding, hearing, or action, including an investigation conducted by the employer, or (c) consistent with the contractor’s legal duty to furnish information. 41 CFR 60-1.35(c)","datePosted":"2026-07-27T13:39:52.653Z","dateModified":"2026-07-27T13:39:52.653Z","hiringOrganization":{"@type":"Organization","name":"Trident Systems","sameAs":"https://jobsearcher.com"},"jobLocation":{"@type":"Place","address":{"@type":"PostalAddress","addressLocality":"Fairfax","addressRegion":"VA","addressCountry":"US"}},"identifier":{"@type":"PropertyValue","name":"JobSearcher","value":"98ebcea3cfdb798878a73b08"},"url":"https://jobsearcher.com/jobs/98ebcea3cfdb798878a73b08"}}