Principal Software Engineer TS/SCI Polygraph LeidosPrincipal Software Engineer TS/SCI PolygraphHanover, MarylandOur talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. May 20, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Principal Software Engineer (TS/SCI with Polygraph required) Red AlphaPrincipal Software Engineer (TS/SCI with Polygraph required)Annapolis Junction, Maryland$190,000–$235,000 / yearOur total compensation package was strategically designed with our members in mind with the intention to: reward our members for their hard work and commitment to our customers' missions; allow members to share in Red Alpha's success as we continue to grow and expand our footprint; provide long-term career opportunities through stability and internal mobility; and provide the resources our members need to support themselves and their dependents in the form of a robust benefits package. Our approach in determining final salaries takes into consideration a number of factors such as education, certifications, total years of relevant professional experience, actual level of expertise, and the responsibilities of the role itself.
Senior Cloud Software Engineer Shield Consulting SolutionsSenior Cloud Software EngineerAnnapolis Junction, MDTelework: (up to 16 hours per week) may be available for this position based on mission needs/available tasking at the discretion of leadership, after the individual has become fully acclimated to the duties and responsibilities of the position and has completed the necessary telework training. Bachelor’s degree in a technical discipline 4 additional years of experience as a software engineer may be substituted for a degree.
Backend Software Engineer (Python) Shield Consulting SolutionsBackend Software Engineer (Python)Annapolis Junction, MD$175,000–$185,000 / yearBachelor’s degree in a technical discipline 4 additional years of experience as a software engineer may be substituted for a degree. Disclaimer: The salary range provided is an estimate based on current market conditions and may be adjusted based on factors such as experience, skills, and qualifications.
HPC - Senior Software Engineer - Linux, Shell, Python Erias VenturesHPC - Senior Software Engineer - Linux, Shell, PythonAnnapolis Junction, MarylandMaster's degree in Computer Science or related discipline from an accredited college or university, plus ten (10) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity or bachelor's degree in Computer Science or related discipline from an accredited college or university, plus twelve (12) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity or fourteen (14) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
HPC - Senior Software Engineer - Linux, Bash, Python Erias VenturesHPC - Senior Software Engineer - Linux, Bash, PythonAnnapolis Junction, MarylandMaster's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity or bachelor's degree in Computer Science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity or nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
Software Engineer III ClearEdgeSoftware Engineer IIILinthicum, MDYou will collaborate with cross-functional teams in fast-paced Agile environments and play a key role in modernizing software components within a secure and evolving ecosystem. If this position does not fit your skillset, please visit our Careers page to explore our current openings, or contact a ClearEdge recruiter at careers@clearedgeit.com.
Senior Backend Software Engineer (Python) Shield Consulting SolutionsSenior Backend Software Engineer (Python)Annapolis Junction, MD$210,000–$220,000 / yearBachelor’s degree in a technical discipline 4 additional years of experience as a software engineer may be substituted for a degree. Disclaimer: The salary range provided is an estimate based on current market conditions and may be adjusted based on factors such as experience, skills, and qualifications.
Sr. Software Engineer (some telework) Shield Consulting SolutionsSr. Software Engineer (some telework)Annapolis Junction, MD$200,000–$210,000 / yearBachelor’s degree in a technical discipline 4 additional years of experience as a software engineer may be substituted for a degree. Disclaimer: The salary range provided is an estimate based on current market conditions and may be adjusted based on factors such as experience, skills, and qualifications.
Full Stack Software Engineer Shield Consulting SolutionsFull Stack Software EngineerAnnapolis Junction, MDTelework: Up to 16 hours per week may be available for this position based on mission needs/available tasking at the discretion of leadership, after the individual has become fully acclimated to the duties and responsibilities of the position and has completed the necessary telework training. Job Description: Provide full stack developmental support for the AUTUMNATTIC tool that is built using the following technologies: java, angular, elasticsearch.
Senior Cloud Software Engineer (Annapolis Junction, MD) Shield Consulting SolutionsSenior Cloud Software Engineer (Annapolis Junction, MD)Annapolis Junction, MDTelework: (up to 16 hours per week) may be available for this position based on mission needs/available tasking at the discretion of leadership, after the individual has become fully acclimated to the duties and responsibilities of the position and has completed the necessary telework training. Bachelor’s degree in a technical discipline 4 additional years of experience as a software engineer may be substituted for a degree.
Full Stack Software Engineer (Annapolis Junction, MD) Shield Consulting SolutionsFull Stack Software Engineer (Annapolis Junction, MD)Annapolis Junction, MDTelework: (up to 16 hours per week) may be available for this position based on mission needs/available tasking at the discretion of leadership, after the individual has become fully acclimated to the duties and responsibilities of the position and has completed the necessary telework training. Job Description: Provide full stack developmental support for the AUTUMNATTIC tool that is built using the following technologies: java, angular, elasticsearch.
Machine Learning Senior Software Engineer Akamai Technologies, Inc.Machine Learning Senior Software EngineerAnnapolis, MD$121,400–$218,600 / yearAs a Machine Learning Senior Software Engineer, you will be responsible for: + Developing and maintaining model validation and security scanning pipelines that assess models for quality, correctness, and vulnerabilities prior to deployment. For US based candidates only - the base salary for this position ranges from $121,400 - $218,600/year; a candidate’s salary is determined by various factors including, but not limited to, relevant work experience, skills, certifications and location.
HPC - Senior Software Engineer - Linux, Bash, Apache Erias VenturesHPC - Senior Software Engineer - Linux, Bash, ApacheAnnapolis Junction, MarylandMaster's degree in Computer Science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity or bachelor's degree in Computer Science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity or nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. We are seeking engineers who wish to grow their careers and want to become part of a technically strong and growth-oriented company focused on bringing innovative solutions to the difficult mission problems facing our customers.
NewPrincipal Radio Frequency Engineer (EWS111) Research InnovationsPrincipal Radio Frequency Engineer (EWS111)Aberdeen Proving Ground, MDYou will support and sustain deployed operational systems, ensuring performance, reliability, and mission effectiveness in real-world conditions, while contributing to systems that discover, analyze, and exploit signals across full-spectrum operations—delivering precise, actionable intelligence when it matters most. #LI-TC1 We may use artificial intelligence (AI) tools to support parts of the hiring process, such as reviewing applications, analyzing resumes, or assessing responses and identifying potential inconsistencies or verification signals in application materials based on available information.
NewAWS Engineer GCOM Information Technology IncAWS EngineerColumbia, MDFamiliar with business designs: business models, functions, processes, job roles and customer interactions as well as how they are impacted by digitization, AI/automation and emerging technologies/techniques. Strong Experience in leveraging AWS tools and services to support the management of VPCs on complex platforms.
TS/SCI Cleared Software Engineer - Maryland Only AidelaTS/SCI Cleared Software Engineer - Maryland OnlyAnnapolis Junction, MarylandAidela is looking for Java Software Engineers (SWE LCAT Levels 1-3) for a fast-growing team and contract. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.
Embedded Software Engineer - Mossville, IL AHU TechnologiesEmbedded Software Engineer - Mossville, ILWashington, District of ColumbiaYou will play a critical role in how our heavy machinery collects, transmits, and analyzes data from Engine Control Modules (ECMs) and radio systems, enabling remote asset monitoring and fleet intelligence. AHU Technologies INC. is an IT consulting and permanent staffing firm that meets and exceeds the evolving IT service needs of leading corporations within the United States.
Principal AI Software Engineer TS/SCI w/Poly AmentumPrincipal AI Software Engineer TS/SCI w/PolySavage, MarylandThe candidate will work across multiple technical domains including software engineering, data science, machine learning, and large language model (LLM) integration to deliver innovative capabilities from proof-of-concept through operational deployment. Proficient in current AI/ML technologies such as classification, clustering, collaborative filtering, search, and retrieval using techniques such as but not limited to deep neutral networks (DNN), recurrent neural networks (RNN), attention-based transformers, etc.
Principal Software Engineer - ARINCDirect Core Platform (Onsite) RTXPrincipal Software Engineer - ARINCDirect Core Platform (Onsite)MarylandTypically requires a degree in Science, Technology, Engineering, or Mathematics (STEM) and minimum 8 years of relevant experience, or an advanced degree and 5 years of experience, or in absence of a degree, 12 years of relevant experience. ARINCDirect, part of the Connected Aviation Solutions unit of Collins Aerospace, provides planning, scheduling, and connectivity solutions that empower thousands of aircraft operations every day.