NewSenior Software Engineer System OneSenior Software EngineerHuntsville, AL$116.80–$140 / hourYou’ll help design modern, modular software frameworks and support software products ranging from analysis/simulation tools to mission planning and other critical system components. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Senior Software Test Engineer System OneSenior Software Test EngineerHuntsville, AL$117–$145 / hourYou’ll work closely with developers and other engineers to improve product quality through smart test strategy, strong test execution, and clear documentation. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Sr. Embedded Software Engineer C/C++ System OneSr. Embedded Software Engineer C/C++Huntsville, AL$116.79–$140 / hourYou’ll work hands-on across the full software lifecycle—design, coding, integration, testing, and debugging—on real-time embedded platforms in a fast-paced engineering environment. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Principal/Sr Principal Software Engineer Northrop Grumman CorpPrincipal/Sr Principal Software EngineerHuntsville, AL$108,800–$163,200 / yearYou will support the Integrated Battle Command System (IBCS) System Team - a specialized Agile team responsible for enabling and sustaining the Agile development environment, including development and maintenance of the Continuous Delivery Pipeline for mission‑critical command and control (C2) software. Collaborate cross‑functionally with software, systems, DevOps, networking, cybersecurity, and infrastructure teams to plan, integrate, and improve end‑to‑end delivery workflows.
Sr Principal Software Engineer - BM/SRM (26-325) Northrop Grumman CorpSr Principal Software Engineer - BM/SRM (26-325)Huntsville, AL$135,800–$203,600 / yearIt is a vital operational system that enables the U.S. president, the secretary of defense, and combatant commanders at strategic, regional, and operational levels to systematically plan ballistic missile defense operations, collectively monitor the battle, and dynamically control networked sensors and weapon systems to achieve global and regional mission goals. A Bachelor's Degree in Computer Science, Software Engineering, Mathematics, Physics, or a related field from an accredited university, along with 8 years of experience; or a Master's degree in a related field with 6 years of relevant work experience; or 12 years of relevant work experience may be considered as an alternative to a degree.
Principal/Sr Principal Radar Sensor Software Engineer Northrop Grumman CorpPrincipal/Sr Principal Radar Sensor Software EngineerHuntsville, AL$108,800–$163,200 / yearInvestigate and prototype sensor registration approaches for new sensors and stakeholder-defined capabilities, respond rapidly to urgent software behavior issues and anomalies, and analyze test data to diagnose tracking and bias estimation anomalies while developing and implementing mitigations. The selected candidate will be responsible for designing, maintaining, updating, and documenting sensor registration algorithm and software functionality including capabilities supporting multiple sensors per platform and multiple platforms in local and remote tracking networks.
Senior Principal Software Engineer TCSSenior Principal Software EngineerHuntsville, ALBachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 8 years of related work experience, or a Master's Degree and 6 years of related work experience, or 4 years of related work experience with a PhD. The Senior Principal Software Engineer will be responsible for understanding, implementing, and testing both existing and new capabilities and algorithms, which include complex mathematics and physics-based solutions, that directly support GWS capabilities on behalf of the Missile Defense Agency (MDA).
Software/ Principal Software Engineer Northrop Grumman CorpSoftware/ Principal Software EngineerHuntsville, AL$87,600–$131,400 / yearProvide software sustainment support including log file maintenance, RTI/DDS publish/subscribe configuration, software version tracking, data recording and playback, and Interactive Data Language (IDL) management. In this role, you will work closely with systems and hardware engineers to build robust, secure, and scalable software solutions that address complex logical and mathematical challenges in support of Global C2 programs.
Sr. Principal Software Engineer TCSSr. Principal Software EngineerHuntsville, ALBachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline from an accredited university and 8 years of related experience, or a Master's STEM Degree and 6 years of related experience, or 4 year of experience with a PhD. Principal Software Engineer to join our strong team of Engineers supporting our Ground-based Midcourse Defense (GMD) customer in Huntsville, AL.
Sr Principal Software Engineer (Algorithm) - TRK (26-332) Northrop Grumman CorpSr Principal Software Engineer (Algorithm) - TRK (26-332)Huntsville, AL$135,800–$203,600 / yearIt is a vital operational system that enables the U.S. President, the Secretary of Defense, and combatant commanders at strategic, regional, and operational levels to plan ballistic missile defense operations systematically, collectively monitor the battle, and dynamically control networked sensors and weapon systems to achieve global and regional mission goals. A Bachelor's Degree in Computer Science, Software Engineering, Mathematics, Physics, or a related field from an accredited university, along with 8 years of experience; or a Master's degree in a related field with 6 years of relevant work experience; or 12 years of relevant work experience may be considered as an alternative to a degree.
NewSenior Principal Software Engineer - Core Systems & Libraries (Onsite) RTX CorpSenior Principal Software Engineer - Core Systems & Libraries (Onsite)Huntsville, ALWe are seeking a Senior Principal Software Engineer who thrives on solving complex technical challenges and driving high-impact solutions across safety-critical systems. In this role, you will lead the architecture and development of core software components, libraries, and tools that enable scalable, certifiable avionics platforms.
NewPrincipal/Senior DevSecOps Software Engineer 4M Research, Inc.Principal/Senior DevSecOps Software EngineerHuntsville, ALFull timeBasic QualificationsBachelor's degree in a STEM field and at least 5 years of relevant experience, Master's degree in STEM field and 3 years of relevant experience, or PhD in STEM field and 0 yearsStrong experience with Continuous Integration / Continuous Delivery (CI/CD) concepts and implementation, including:Virtualized environments and virtual machines. Collaborate cross‑functionally with software, systems, DevOps, networking, cybersecurity, and infrastructure teams to plan, integrate, and improve end‑to‑end delivery workflows.
Principal Software Engineer Onsite RTX CorpPrincipal Software Engineer OnsiteHuntsville, ALAs part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote. Stay current with industry trends and advancements in modern languages, Artificial Intelligence (AI), Development, Security, and Operations (DevSecOps), and other methodologies and technologies, especially in relation to complex systems.
Principal Software Engineer Qualis CorpPrincipal Software EngineerHuntsville, ALThe Principal Software Engineer serves as a senior technical authority, applying extensive experience and technical judgment to complex software development efforts while ensuring software solutions meet established program cost, schedule, and technical constraints. This position requires the highest level of technical mastery within the Software Engineering functional area, combined with advanced business knowledge and the leadership capability to guide business or functional teams without a formal management role.
Senior Principal Software Engineer - High Energy Laser Systems KBRSenior Principal Software Engineer - High Energy Laser SystemsHuntsville, AL$124,400–$186,500 / yearThe position will work closely with systems engineering, hardware engineering, controls engineering, test teams, cybersecurity personnel, program leadership, and customers to deliver high-performance software solutions that meet mission requirements. These complex systems require highly reliable, secure, and real-time software solutions to integrate weapon subsystems, command and control interfaces, safety functions, sensor processing, power management, and platform-level operations.
Principal Software Engineer Onsite RTXPrincipal Software Engineer OnsiteHuntsville, AlabamaAbility to obtain INTERIM U.S. government issued security clearance is required prior to start date At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. As part of our commitment to maintaining a secure hiring process, candidates may be asked to attend select steps of the interview process in-person at one of our office locations, regardless of whether the role is designated as on-site, hybrid or remote.
Senior Principal Software Engineer - Integrated Product Team Lead (Onsite) RTX CorpSenior Principal Software Engineer - Integrated Product Team Lead (Onsite)Huntsville, ALAdditionally, you will be responsible for managing costs, schedules, and execution activities, including Estimate at Completion (EAC) reviews, proposal costing and leadership reviews, staffing projections, and monthly metrics tracking. Raytheon's Land Air Defense Systems (LADS) Engineering Execution Department is seeking a skilled and motivated Integrated Product Team (IPT) Program Lead for the Patriot Software and Training Devices IPT.
Principal Software Engineer TCSPrincipal Software EngineerHuntsville, ALBachelor’s Degree in a STEM (Science, Technology, Engineering or Mathematics) discipline preferred from an accredited university and 5 years of related work experience, or a Master's Degree and 3 years of related work experience, or 1 year of related work experience with a PhD. The Principal Software Engineer will be responsible for understanding, implementing, and testing both existing and new capabilities and algorithms, which include complex mathematics and physics-based solutions, that directly support GWS capabilities on behalf of the Missile Defense Agency (MDA).
NewPrincipal/Senior DevSecOps Software Engineer 4M Research IncPrincipal/Senior DevSecOps Software EngineerHuntsville, ALCollaborate cross‑functionally with software, systems, DevOps, networking, cybersecurity, and infrastructure teams to plan, integrate, and improve end‑to‑end delivery workflows. 4M specializes in Systems and Software Engineering and Analysis, Information Technology, Planning and Analysis, Health and Wellness Services and Field Support Services to a variety of customers including MDA, NASA, and AMCOM.
Senior Principal Software Engineer - Integrated Product Team Lead (Onsite) RTXSenior Principal Software Engineer - Integrated Product Team Lead (Onsite)Huntsville, AlabamaActive and existing security clearance required on day 1 At RTX, the world's largest aerospace and defense company, 185,000 great minds are united by purpose and inspired to make a difference solving the world’s most complex problems. Additionally, you will be responsible for managing costs, schedules, and execution activities, including Estimate at Completion (EAC) reviews, proposal costing and leadership reviews, staffing projections, and monthly metrics tracking.