Principal Software Engineer
Mitre
At MITRE, your passion fuels work that impacts our nation and improves lives. This is where your skills strengthen national security, cybersecurity, health, transportation, and citizen services. We’re a nonprofit engineering, applied research, and advanced technology organization working in the public interest. With objectivity and integrity at our core, we lead federally funded research and development centers for U.S. government agencies – collaborating with industry and academia to deliver integrated, high-impact solutions that advance our nation’s health, security, and prosperity. Our people tackle the toughest technical challenges, supported by competitive benefits, meaningful career development, and a culture of innovation, collaboration, and technical excellence. Choose MITRE for a career with purpose — and help shape the future.Department Summary: MITRE is a not-for-profit organization dedicated to creating a safer world by developing innovative solutions to real-world problems. Our team of passionate professionals is driven by a shared mission to make the world a safer place. The Cloud and Distributed Software Systems Department focuses on delivering robust, resilient, scalable solutions that account for all qualities cloud environments can offer and leverage distributed architectures to deliver missions that are enduring and resistant to technical compromise.Roles & Responsibilities: We're seeking an experienced and properly credentialed Principal Software Engineer to join our team, who not only excels in software development but also possesses business development, innovation, and leadership skills. In this position, you will play a critical role in driving technical innovation, leading cross-functional teams, and collaborating with stakeholders to identify and pursue new opportunities for impact.The successful candidate will:Translate the sponsor’s data mesh vision into an executable technical roadmap, working prototypes, and production-ready capabilities across three integrated layers: data products, security, and analytics.Contribute to the design, development, integration, and testing of an enterprise data architecture that enables interoperability and information sharing among authorized partners while conforming to sponsor security requirements, standards, and policies.Lead implementation of resilient cloud and distributed software capabilities, addressing scalability, availability, performance, operational support, and recovery.Establish repeatable deployment patterns, automated infrastructure provisioning, integration pipelines, and implementation guidance that accelerate adoption across participating organizations.Integrate security throughout the development lifecycle, including identity and access management, data protection, vulnerability management, monitoring, and evidence supporting security assessment and authorization.Enable analytics and artificial intelligence capabilities through secure access to governed data products and integration with cloud-based tools and services.Incorporate data ownership, discoverability, metadata, provenance, quality, and access policies into platform implementation to support responsible data use and modern data governance.Lead cross-functional engineering teams; mentor technical staff; and coordinate with sponsor stakeholders, mission partners, security authorities, and technology providers to resolve implementation barriers.Communicate technical options, delivery progress, risks, and investment priorities to technical and executive audiences.Identify opportunities for mission impact, develop technical approaches and proposals, and contribute to business development and department innovation.Basic Qualifications:Typically requires a minimum of 10 years of related experience with a Bachelor’s degree; or 8 years and a Master’s degree; or a PhD with 5 years’ experience; or equivalent combination of related education and work experience.Demonstrated experience delivering complex cloud platforms or distributed software systems, including responsibility for implementation, integration, testing, deployment, and operational readiness.Experience translating established architecture or mission concept into an actionable engineering plan and delivered capabilities.Experience leading software or systems engineering teams and coordinating delivery across multiple technical disciplines and stakeholder organizations.Strong understanding of cloud and distributed systems principles, including service interfaces, automation, resilience, scalability, observability, and secure operations.Experience incorporating security engineering into cloud platform delivery, including vulnerability management, access controls, data protection, and compliance with organizational or government security requirements.Familiarity with enterprise data architecture and data mesh concepts, including domain-oriented data products, interoperability, shared platform services, and federated governance.Familiarity with AI and machine learning services and the data, integration, and security capabilities needed to support their use.Demonstrated ability to communicate with senior leaders, explain technical tradeoffs, and align engineering execution with mission priorities.Must have an active Top Secret/SCI With Polygraph U.S Government issued Security Clearance. Per the U.S. Government’s eligibility requirements, you must be a U.S Citizen to be considered for a security clearance.This position requires a minimum of 3 days per week on-site.Preferred Qualifications:Experience building, scaling, or operating enterprise cloud platforms or services supporting large, geographically distributed environments.Experience delivering cloud, data, analytics, or AI/ML capabilities in classified, air-gapped, or other restricted government environments.Experience implementing data mesh capabilities or comparable enterprise data platforms that enable governed information sharing across organizational boundaries.Experience establishing or expanding engineering organizations, developing technical leaders, and executing multi-year technology or security strategies.Experience establishing enterprise vulnerability management, security assurance, or coordinated vulnerability disclosure programs.Experience supporting federal cloud security assessment, authorization, and continuous monitoring, including FedRAMP or sponsor-specific accreditation processes.Experience accelerating secure service delivery through reusable engineering patterns, automated controls, and repeatable authorization evidence.Experience across AWS and additional cloud or private-cloud platforms, such as Azure, OpenStack, or VMware.Experience engaging senior government stakeholders, security executives, regulators, or mission partners to resolve complex technical and security challenges.Experience developing technical proposals, shaping new mission opportunities, and aligning technology investments with organizational objectives.This requisition requires the candidate to have a minimum of the following clearance(s):Top Secret/SCI/PolygraphThis requisition requires the hired candidate to have or obtain, within one year from the date of hire, the following clearance(s):Not ApplicableSalary compensation range and midpoint:$173,200 - $216,500 - $259,800 AnnualWork Location Type:OnsiteIt is unlawful in Massachusetts to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.Commitment to Non-DiscriminationAll qualified applicants will receive consideration for employment without regard to disability, status as a protected veteran or any other status protected by applicable federal, state, local or international law.MITRE intends to maintain a website that is fully accessible to all individuals. If you are unable to search or apply for jobs and would like to request a reasonable accommodation for any part of MITRE’s employment process, please email View email address on click.appcast.io for general support and View email address on click.appcast.io for intern positions. This service is for individuals requiring reasonable accommodation requests. Please note that vendor solicitations will not receive a reply.Benefits information may be found here.Copyright 1997-2026, The MITRE Corporation. All rights reserved. MITRE is a registered trademark of The MITRE Corporation. Material on this site may be copied and distributed with permission only.Job SummaryJob number: R117969Profession: Engineering
$147k - $237.5k
...filled anywhere in the United States*We’re looking for a Principal Escalation Engineer to serve as a key architect of customer stability and product... ...What You Bring8+ years of experience in the software industry (Technical Support, R&D, or Sustaining Engineering...SuggestedFull timeWork at officeImmediate startShift work- ...Principal Software Engineer Do you love working with connected devices, automation, and real-world systems? Have you automated your own home, built integrations across smart devices, or thought deeply about how cloud software should control physical systems reliably?...SuggestedFull time
- ...and citizen services. We're a nonprofit engineering, applied research, and advanced... ...The Data and Integration Group Lead/Principal will lead the architecture and delivery... ...in data engineering, data warehousing, software engineering, data integration, and/or enterprise...SuggestedInternshipLocal area3 days per week
$131.3k - $237.35k
...Description We are seeking an experienced Principal Software Engineer to join our team in developing the forefront of unmanned and autonomous ship development for the US Government. Based in Arlington, VA, the role involves designing, building, and testing software...Suggested$209k - $275k
...can be appropriately used during your application and interviews which can be found here.Role OverviewWe are looking for a Principal Software Engineer (SDE6), Data to join our Core Platform Engineering organization and spearhead the architectural evolution of ID.me’s data...SuggestedFull timeTemporary workWork at officeImmediate startRemote workFlexible hours$137.7k - $261.63k
...enjoys turning ambiguity into working software at scale, and who now wants to shape not... ...just what gets built, but how an entire engineering organization builds it? Are you... ...we'd like to talk. Work you’ll do As a Principal Software Engineer on our GlobalAdvantage...Work at officeLocal areaRemote workVisa sponsorship2 days per week3 days per week$140.82k - $190.52k
...Principal Full Stack Software Engineer (Agentic AI Focused)Iron EagleX (IEX), a wholly owned subsidiary of General Dynamics Information Technology (GDIT), delivers agile IT and Intelligence solutions. Combining small-team flexibility with global scale, IEX leverages emerging...Contract work- ...Principal Full Stack Software EngineerIron EagleX is seeking a Principal Full Stack Software Engineer to join our dynamic team in Crystal City, VA. This role designs, develops, deploys, and sustains innovative software and data capabilities as a member of a fast-paced,...Contract work
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$130k - $210k
Job DescriptionEverforth ECS is seeking a Principal Systems Engineer - Embedded Software Engineer to work onsite in Arlington, VA office. The successful candidate will have knowledge of all aspects of missile systems engineering in support of DoD missile systems programs...Work at office- ...Job Description Position Overview We are seeking an experienced Tech Lead - Principal Software Engineer to lead architecture, software delivery, and engineering teams supporting mission-critical environments. This role combines hands-on software engineering with...Immediate startFlexible hours
$96.8k - $306.4k
...and operational excellence. The successful candidate will collaborate with business leaders, application teams, infrastructure engineers, SaaS Product and Consulting teams, and cloud platform providers to develop solution architectures that align with enterprise standards...Temporary workFlexible hours- ...Job Description Position Overview We are seeking an experienced Tech Lead - Principal Software Engineer to provide technical leadership, architectural direction, and software engineering expertise in support of mission-critical Department of Defense (DoD) systems...Immediate startFlexible hours
- ...automated testing, observability, and security controls Implement software release version control, provide release management support... ...point for cross-team and cross-domain issues Champion engineering excellence, including automated testing, CI/CD, reliability, and...Temporary work
$272k - $431.25k
...of any single GPU, this platform enables efficient, resilient deployment of cutting-edge LLM workloads.We are seeking a Principal Systems Engineer to define the vision and roadmap for memory management of large-scale LLM and storage systems.What you'll be doing:Design...Full timeLocal areaRemote work$131.3k - $237.35k
Leidos has an exciting opportunity for a Principal Software Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and...Full timeImmediate startFlexible hours$131.3k - $237.35k
Leidos has a new and exciting opportunity for a Principal Biometrics Software Engineer in our Intel Security Sector's Analysis Solutions Business Area. Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical...Full timeImmediate startFlexible hours- ...health, transportation, and citizen services. We’re a nonprofit engineering, applied research, and advanced technology organization... ...and defense missions.Roles & Responsibilities:Deliver modern software capabilities, improving architecture, platforms, and developer...InternshipLocal area
$177.53k - $236.65k
...Please go to Workday and click "Find Jobs" link under Career Thank you for considering opportunities with us! Job Title Principal Software Engineer - Emerging Technology & AI - Remote Requisition Number R8045 Principal Software Engineer - Emerging Technology & AI -...Hourly payFull timeH1bRemote workWork from homeFlexible hours$13 per hour
...DoingWe are seeking a highly experienced Senior, Lead, and Principal Engineers to serve as a key individual contributor across the Super Agent... ...that meet business needsBuild and ship production-grade software using modern engineering practices, with AI as a core part of...Full time$200k - $240k
...Principal Software Engineer – C#/.NET Core & AWS | AI-Enabled Platforms | $200,000 - $240,000 + bonus & RSUs | Hybrid (3-days in office) I’m recruiting for a global leader in professional information and enterprise software, and they need a hands-on Principal Engineer...Full timeWork at office$175k - $225k
...This is an opportunity for an AI-Engineering Principal Software Engineer, AI Group to get in on the ground floor. Cohu is building the AI engineering platform for semiconductor test from the ground up: cloud and on-prem inference infrastructure, custom agent tooling,...Full timeWork experience placementLocal areaWorldwideShift work- ...Principal AI/ML Engineer | Healthcare AI X4 are partnered with a growing healthcare AI company that builds intelligent software for healthcare organisations. Their products use machine learning, generative AI and AI agents to cut through complex clinical and administrative...Full timeRemote work
- Principal Security Software Engineer (Storage)This role has been designed as 'Hybrid' with a requirement that you will work on average 2 days per week from an HPE office.Who We Are:Hewlett Packard Enterprise is the global edge-to-cloud company advancing the way people...Full timeWork experience placementWork at officeLocal areaImmediate start2 days per week
$216.4k
...hardware and battery systems to intuitive design, intelligent software, and next-generation safety and entertainment features.... ...a single high-compute platform safely and efficiently. As Principal Software Engineer, you are the senior technical authority and system...Full timeLocal areaWork from homeRelocation packageFlexible hours$250k
Reston, VADescriptionConcept Solutions, LLC (CS) is seeking an experienced Principal Software Engineering Lead to provide technical leadership, establish engineering standards, and drive software quality across enterprise application modernization initiatives supporting...Full timeContract workFor contractorsImmediate startRemote workMonday to Friday$161.5k - $218.5k
...Principal Software EngineerLocation: USA VA Oakton Full Part/Time: Full time Job Req: RQ219570 Type of Requisition: Regular Job Family: Software Engineering Job Qualifications: Skills: C++ STL, Data ETL, Data Warehouse, Linux Bash, Multithreaded Application Development...Full timeTemporary workPart timeImmediate startRemote workWorldwideFlexible hours$200k - $250k
...Job DescriptionJob DescriptionPrincipal Software Engineer — emPowerDo you love working with connected devices, automation, and real-world... ...physical systems reliably?Alarm.com is looking for a versatile Principal Software Engineer to help lead architecture and engineering...Casual workWork at officeImmediate startWorldwide- ...Job DescriptionJob DescriptionDescription: The Principal Software Engineer/Developer is a highly experienced application architect, full-stack engineering leader, and recognized technical authority responsible for defining and driving enterprise application architecture...
$142.8k - $274.8k
...Principal Software EngineerReston, VA Top Secret/SCI Polygraph Career Level not specified $142,800 - $274,800Job DescriptionOverview Do... ...come join us! The Microsoft Frontier Company team is a global engineering organization that works directly with customers looking to...Local area
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