Sr. Software Engineer TS/SCI Polygraph
$131.3k - $237.35kFairygodboss
Leidos has an exciting opportunity for a Sr. Software Engineer! Must have an active TS/SCI Polygraph up front. No exceptions. You will perform software development lifecycle (SDLC) activities as both an individual and a member of our top-notch agile development team building a large complex enterprise system. Development includes the full range of turning Agile user stories into implementable concepts, through development, unit testing, integration and test, and deployment of the new capabilities for the large complex enterprise system. Following the Behavior-driven Development (BDD) pattern, developers are responsible for implementing robust testing leveraging DevOps automation and, where appropriate, use of test automation commercial tools. There are a range of opportunities for server-side business logic implementation as well as client web application and user interface (UI) development. Java, Python, embedded C/C++, Java cryptographic framework, XML, web UI (i.e., Angular, JavaScript, CSS, HTML, etc.) and special purpose device programming opportunities are available. Primary Responsibilities You will actively participate in daily stand-ups, Sprint Planning, Program Increment (PI) Planning, and other related team activities; analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable. You will provide software process management and control throughout the coding portion of the software development process and will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. You will engineer, author, tune and document automation scripts in a development environment and deploy to the test/production bench. Basic Qualifications Must have a BS degree and 12-15 years of prior relevant experience or a Masters degree with 10-13 years of prior relevant experience. Additional experience may be substituted for a degree. Must have demonstrated experience with Java. Must have experience or familiarity with multiple Java frameworks: Spring (including Boot and Data), Java Enterprise Edition (JEE) (i.e., JPA, EJB, JTA, Servlet), Jackson, Jersey, Swing, JavaFX. Must have experience or familiarity with multiple of the following languages such as JavaScript, Python, C/C++, Groovy, Structured Query Language (SQL). Must have experience with development IDEs (Integrated Development Environments) such as Eclipse, Visual Studio Code, Visual Studio, Rhapsody, WebStorm. Must have experience with databases such as Oracle, PostgreSQL, MongoDB, SQL Server. Must have experience with Web Application User Interface Development, knowledge of databases and structures, Spring Framework, and/or experience working with AngularJS, JSON, HTML, XML, XSLT. Must have experience with software source control and configuration management tools. Must have experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures). Must have experience developing on Windows, and/or Linux operating systems. Must have documented professional experience with web services. Must have a strong understanding of sound software development principles and practices. Must be able to plan and prioritize personal tasking and be able to communicate effectively verbally and in writing. Must be an independent thinker, capable of performing high quality work, both independently and with a team in a fast-moving environment. Preferred Qualifications Experience with Java Enterprise Edition (JEE) (i.e., EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), Spring framework, scripting. Experience or familiarity with multiple of the following technologies: XML/XSD/SOAP/WSDL/XSLT, REST, JSON, YAML, Containers (Docker, Podman, Kubernetes, OpenShift). Experience with JavaScript frameworks: AngularJS, Bootstrap, JQuery. Experience with Testing and Mocking frameworks: JUnit, Jupiter, Mockito, Jasmine, Karma, Cucumber, Unified Functional Tester (UFT), Selenium, FITNesse. Experience with build tools: Maven, CMake, RPM, Jenkins, Nexus. Experience with high level requirements management including requirements decomposition, secure systems engineering and development, trade-off analysis, interface control, and testing and continuous integration. Experience in software development on Agile teams using Agile Developer practices such as Pair Programming, Test Driven Development (TDD), Refactoring, and Acceptance Test Driven Development (ATDD). Experience with Behavior Driven Development (BDD). Secure Software development (i.e., Layer 7 Policy). Experience with the Scrum, Scaled Agile Framework (SAFe) methodology, SAFe Agile certification, or experience as a member of an Agile team. Pay Range: $131,300.00 - $237,350.00 All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws. #J-18808-Ljbffr Fairygodboss
- Jovian Concepts, Inc. is hiring a Java Developer for a Software Engineer Level 2 or 3 position in Annapolis Junction, MD. An active TS/SCI Clearance with Polygraph is required to apply. The role involves developing and enhancing complex software systems, both individually...Senior
$175k - $220k
A day in the life: We are seeking a Senior DevOps Software Engineer to assist with software integration efforts, develop framework... ..., and team collaboration An active US Government TS/SCI security clearance with polygraph Bonus Skills: Experience with the Atlassian Tool...SeniorImmediate start- ...Women-Owned Small Business and tech defense contractor, is looking for a Senior Cloud Software Engineer. This role is based in Ft. Meade, MD, requiring TS/SCI + Full-Scope Polygraph. Candidates should have a Bachelor's Degree in Computer Science and over 20 years of experience...SeniorFor contractorsImmediate start
$170k - $260k
GliaCell Technologies is seeking a Senior Software Engineer for a full-time position in Annapolis Junction, Maryland. This role requires an active TS/SCI clearance and involves providing technical support for critical government software systems. The position features a...SeniorRemote jobFull timeRelocation package- Overview Location: Annapolis Junction, Maryland Category: Software Engineer Level: Entry - Senior Level Travel Required: No Remote Type: No Clearance: TS/SCI w/ Polygraph Position is contingent upon contract award Responsibilities Software Engineering experience developing...SuggestedContract workTemporary workWork experience placementImmediate startRemote work
$131.3k - $237.35k
Leidos Software Engineering Opportunity Leidos has a new and exciting opportunity for Software Engineers (hiring junior level, mid-level... ...fast-moving environment. Clearance Required: Must have TS/SCI with Polygraph on Day One. Preferred Qualifications Experience with the...Immediate startFlexible hours$150k - $200k
A day in the life: We are seeking a Software Engineer to develop, sustain, and troubleshoot a software suite of applications... ...Git Source Control System An active US Government TS/SCI security clearance with polygraph Bonus Skills: Experience with SQL databases...Summer holidayImmediate start- DevOps Software Engineer with TS/SCI Polygraph Leidos has a new and exciting opportunity for a DevOps Software Engineer in our National Security Sector's (NSS) Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer...Immediate startFlexible hours
- 2HB Incorporated is looking for a Sr. Software Engineer in Annapolis Junction, MD to support government projects. This full-time role requires... ...migrations to cloud environments. Requirements include an active TS/SCI clearance and a Bachelor's degree in Computer Science or...SeniorFull time
- Cloud Software Engineer - Level 2 (With active TS/SCI Clearance with Polygraph) Annapolis, United States | Posted on 06/30/2026 Eight (8) years of experience in software engineering in programs and contracts of similar scope, type, and complexity is required; two (2) years...
$175k - $225k
...day in the life: We are seeking a highly skilled Senior Software Engineer to support the development, enhancement, integration, and... ...‑solving, debugging, and troubleshooting skills. Active TS/SCI with Polygraph level of security clearance. Bonus Skills: Experience with...SeniorSummer holidayImmediate start- ...tech company in Maryland is seeking a Software Developer/CNO Developer to join... ...Python, along with skills in reverse engineering and vulnerability research. This role... ...critical work at Ft. Meade and requires a TS/SCI + Full-Scope Polygraph. The organization values flexibility...Senior
- General Dynamics Information Technology is seeking a Software Engineer Principal in Maryland to develop and troubleshoot mission-critical... ...a Bachelor of Science, over 8 years of experience, and a TS/SCI w/ Polygraph security clearance. Responsibilities include software...Senior
- ...discipline from an accredited college or university is required. Four (4) years of additional SWE experience may be substituted for a bachelor’s degree. TS/SCI with NSA Full Scope. Recent Polygraph ( CCA Status Accepted: No #J-18808-Ljbffr Avid Technology Professionals, LLCSenior
- REDLattice in Hanover, MD, is seeking a Software Developer to design and maintain software solutions for critical cybersecurity... ...excellence and innovation. This role requires an active TS/SCI clearance with Polygraph. REDLattice offers a competitive compensation package,...Senior
$190k - $240k
A technology services company based in Maryland is looking for a Senior Software Engineer to develop and maintain complex software systems. This position requires TS/SCI Clearance with polygraph and twelve years of relevant experience. Candidates should have a Bachelor...Senior- Jovian Concepts, Inc. is seeking a highly skilled Software Engineer Level 3 in Annapolis Junction, MD. The ideal candidate... ...experience in software engineering, possess an active TS/SCI clearance with a Maryland Polygraph, and demonstrate expertise in Python scripting and...Senior
$267k - $279k
Staffed4U is looking for a Senior Reverse Engineer / Technical Software Engineer in Annapolis Junction, MD. This position requires advanced... ...Science or related field, relevant experience, and a TS/SCI with Polygraph clearance. The role offers a competitive salary ranging...Senior$172k - $206k
Itlearn360 is seeking a Software Engineer with over 7 years of experience, specializing in Splunk and the Elastic Stack, to develop... ...is based in Annapolis Junction, Maryland. A current TS/SCI clearance with Polygraph is required. The position offers a competitive salary range...Senior$180k - $220k
RPMGlobal is seeking a top-notch software engineer in Maryland to develop next-generation technologies that impact national defense... ..., versatile, and enthusiastic. A clearance of TS/SCI with Full Scope Polygraph is required for this position. The salary ranges from...Senior$180k - $260k
GliaCell Technologies is hiring a Senior AWS Software Engineer in Annapolis Junction, Maryland. This full-time role involves providing... .... Government contractor. Ideal candidates will possess a TS/SCI with Polygraph security clearance and have over 14 years of software...SeniorFull timeFor contractorsWork from home$200k - $210k
Shield Consulting Solutions is seeking a highly experienced Sr. Software Engineer based in Annapolis Junction, MD, with expertise in... ...depending on project needs. Candidates must possess an active TS/SCI w/Polygraph clearance and have a minimum of 14 years of experience in...Senior16 hoursRemote work$170k - $230k
GliaCell Technologies is seeking a Senior Software Engineer in Annapolis Junction, MD. This full-time role involves modernizing legacy systems with microservices and requires an active TS/SCI with Polygraph clearance. The ideal candidate will have strong expertise in Java...SeniorRemote jobFull timeWork from home$200k - $210k
Shield Consulting Solutions is looking for a Sr. Software Engineer to join their team in Annapolis Junction, MD. This role requires an Active TS/SCI w/Polygraph clearance and offers up to 16 hours of telework per week depending on tasking. Ideal candidates will have 14...Senior16 hoursRemote work$212k - $265k
RPMGlobal is looking for a Senior Software Engineer to develop and enhance software solutions at the Boeing Intelligence & Analytics... ...of experience in software engineering and an active TS/SCI clearance with polygraph. This position requires proficiency in Linux...Senior- SageCor Solutions is seeking a seasoned Software Engineer (SWE) to provide engineering services in Maryland and the Greater Washington... ...addition to core experience, candidates must possess Active TS/SCI w/ Polygraph clearances. The position promises an opportunity to work...Senior
- SageCor Solutions is hiring a Software Engineer in Maryland, requiring twenty years of experience with high performance computing... .../OpenSearch, and AWS. This position requires an active TS/SCI clearance with polygraph. SageCor is committed to equal employment opportunities...Senior
$147.29k - $199.28k
...gaining new opportunities to grow in modernization, engineering, automation, and enterprise level operations. Your experience... ...(e.g. Security+ CE, etc.) CLEARANCE: Active TS/SCI clearance with a favorable polygraph Experience engineering or administering MDM solutions...Temporary workRemote workFlexible hours- ...located in Annapolis, Maryland, is seeking a full-time Software Engineer responsible for developing, sustaining, and troubleshooting... ..., along with relevant experience. This position also requires a TS/SCI/Full Scope Polygraph Clearance. #J-18808-Ljbffr 2HB IncorporatedSeniorFull time
$140k - $225k
DevOps Engineer with an active TS/SCI with a Full Scope Polygraph Security Clearance Required, Onsite in Annapolis Junction, MD Full-time Compensation: USD 1... ...Experience setting up a CI/CD pipeline. Understand Agile software development and DevOps practices and can work...Full time
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Sr. Software Engineer TS/SCI Polygraph. Be the first to apply!
- software engineer amazon Annapolis, MD
- experienced software developer Annapolis, MD
- federal - software developer Annapolis, MD
- senior software engineer Annapolis, MD
- software developer fintech Annapolis, MD
- part time software developer remote Annapolis, MD
- software data engineer Annapolis, MD
- software developer night shift Annapolis, MD
- software engineer Annapolis, MD
- software engineer healthcare Annapolis, MD

