[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Leidos jobs](https://jobs.opennash.com/companies/leidos/) · [Search jobs](/search/) Leidos · Gaithersburg, MD # Senior Principal QA Software and Cost Account Management Support Gaithersburg, MD Senior individual contributor $139,100.00 - $251,450.00 Software Engineering Listed on Leidos’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there. [Apply on Leidos’s careers site →](https://leidos.wd5.myworkdayjobs.com/External/job/Gaithersburg-MD/Senior-Principal-QA-Software-and-Cost-Account-Management-Support_R-00192285) [OpenNash Jobs](https://jobs.opennash.com/) / [Leidos](https://jobs.opennash.com/companies/leidos/) / Senior Principal QA Software and Cost Account Management Support ## Job description This position is responsible for developing, implementing, and overseeing the technical quality assurance and control systems used to prevent defects in the software delivered products for the TFDM and ERAM programs. Duties include defining and implementing standards, methods, and procedures for inspecting, testing, and evaluating the precision, accuracy, and reliability of client and/or company software products along with providing Cost Account Management (CAM) budget financial status reporting for the TFDM and ERAM programs. Using existing or developed systems, identifying failure trends and verification consistency of design standards throughout the entire product software lifecycle, from design through delivery. Analyzes post-delivery reports and feedback for trends and recommends actions to correct procedural, product, or process deficiencies. ### IMPACT Influences development of solutions that impact strategic project/program goals and business results. Recommends and develops new technical solutions, products, and/or standards in support of function’s strategy and operations. Leads and manages works of other technical staff that has significant impact on project results/outputs. ### COMPLEXITY Resolves highly complex problems using significant application of technical knowledge, conceptualizing, reasoning, and interpretation. Develops solutions that are highly innovative, and achieved through research and integration of best practices. ### COMMUNICATION Requires ability to communicate with executive leadership (internally or client) regarding matters of significant importance to the organization/project. Works to convince others to accept area’s view/current practices and agree/accept new concepts, practices, and approaches. ### LEADERSHIP & TALENT MANAGEMENT KNOWLEDGE: Has in-depth understanding of technical software principles, theories, concepts, and their application across range of programs. Serves as a subject matter expert within technical domain area. Requires BS degree and or 7 years of prior relevant experience. The qualifications are: Past software development and Quality Assurance knowledge supporting the ERAM & TFDM programs. Experience using the Engineering Edge and BPSL software, test, and Quality Assurance processes. Cost Account Management experience statusing financial budgets Experience supporting FAA programs AS9100D and DO-278A Standard knowledge BS degree and or 7 years of prior relevant experience. Ability to obtain Public Trust If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares. ### Original Posting September 15, 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. ### Pay Range Pay Range $139,100.00 - $251,450.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law. ## At a glance - Posted by the employer: Not stated - First seen by OpenNash: Oct 11, 2026 - Last checked: Oct 18, 2026 - Listed for: 7 days - Location: Gaithersburg, MD - Pay: $139,100.00 - $251,450.00[Apply on Leidos’s careers site →](https://leidos.wd5.myworkdayjobs.com/External/job/Gaithersburg-MD/Senior-Principal-QA-Software-and-Cost-Account-Management-Support_R-00192285) ## More jobs at Leidos ### [Front-End Software Engineer](https://jobs.opennash.com/companies/leidos/jobs/087001e213b5614dd7b7/) Gaithersburg, MD ### [Principal Software Developer](https://jobs.opennash.com/companies/leidos/jobs/0ea51ce175f86e7cd2b0/) Gaithersburg, MD ### [Senior Software Engineering Manager](https://jobs.opennash.com/companies/leidos/jobs/fe669c025db2f2830aa0/) Gaithersburg, MD ### [Sr. Software Developer](https://jobs.opennash.com/companies/leidos/jobs/50dc25c826d944979fdf/) Gaithersburg, MD ## Similar jobs at other companies ### [Cost Account Manager / Data Analyst Sr](https://jobs.opennash.com/companies/lockheed-martin/jobs/39427104d88de9861645/) Lockheed Martin · Fort Worth, TX ### [Principal Researcher and Senior Principal Researcher - Software Verification - Microsoft Research](https://jobs.opennash.com/companies/microsoft/jobs/111b5db3a6b7e15bbf9f/) Microsoft · United States, Washington, Redmond ### [Principal Software Engineer – Mobile Software Architecture](https://jobs.opennash.com/companies/qualcomm/jobs/914589d5d4db917886f4/) Qualcomm · San Diego, California, United States of America ### [Program Cost and Schedule Control Analyst/ Principal Program Cost and Schedule Control Analyst - 19509](https://jobs.opennash.com/companies/northrop-grumman/jobs/18ac9f49d61e8f777229/) Northrop Grumman · United States-Utah-Roy ### [Principal Customer Success Account Manager (CSAM)](https://jobs.opennash.com/companies/microsoft/jobs/83cda8888ba89ff57600/) Microsoft · United States, Multiple Locations OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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