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Security Verification Test (SVT) Engineer - TS/SCI w/ Polygraph

Sunayu Annapolis Junction, Maryland, United States

remote

Salary: $150,000 - $220,000 / year

Posted Feb 4, 2026

Role & seniority: Security Verification Test (SVT) Software Engineer; experienced professional candidate (on-site, full-time).

Stack/tools: Java (core), Java/JEE, Python, C/C++, SQL, SOAP, WSDL, WADL, PERL, PowerShell, VBS; Eclipse; Postgres, Oracle; Jenkins; Web UI development; JSON/XML/XSLT; cryptography concepts (symmetric/asymmetric, ASN.1, signatures); Windows/Linux; CASE tools; testing/automation tools (FITNesse, Mockito, Cucumber, UFT, Selenium); BDD/ATDD; SAFe/Agile context possible.

Top 3 responsibilities

  1. Develop, test, and deploy software within an agile team, converting stories into implementable concepts and delivering new capabilities.

  2. Engineer, tune, document automation scripts and deploy them to test/production benches; promote code reuse and cross-program collaboration.

  3. Apply sound software engineering practices (modifiability, efficiency, reliability, fault tolerance, reusability) and support formal specifications, data flow diagrams, and CASE tooling.

Must-have skills

  • Demonstrated Java experience; strong software development principles.

  • Proficiency with multiple listed languages/tools (Java/JEE, Python, C/C++, SQL, Web services, XML/JSON, Jenkins, databases).

  • Web services experience; Windows and/or Linux development experience.

  • Understanding of cryptographic concepts; ability to work independently and in teams; effective communication.

Nice-to-haves

  • Bachelor’s in CS or related field; 8+ years relevant exper

Full Description

Location: Annapolis Junction, MD

Category: Security Verification Test (SVT) Software Engineer

Travel Required: No

Remote Type: No

Clearance: TS/SCI w/ Polygraph

Security Verification Test (SVT) Software Engineer The selected individual will perform software development activities as a member of an agile development team focused on preparation and execution of verification tests of our software releases. Development includes the full range of turning agile stories into implementable concepts, through development, testing and deployment of the new capabilities in this large, complex system. Following the Behavior Driven Development (BDD) pattern, our developers are responsible for implementing robust testing leveraging DEVOPS automation and, where appropriate, use of test automation commercial tools. Developers will have the opportunity to focus on developing customer domain specific language code and there are a range of opportunities for Java, embedded C++, scripting languages, object-oriented modeling tools, low-level programming, serialization/deserialization, and dependency injection.

Primary Responsibilities The SVT Software Engineer will be responsible for software development activities both individually and as a member of an agile team. She/he will actively participate in Program Increment planning and related team activities, and will analyze and study complex system requirements, use design software tools, provide support using formal specifications, data flow diagrams, and other accepted design techniques with the use of Computer Aided Software Engineering (CASE) tools, and will use sound software engineering principles to ensure that developed code is modifiable, efficient, reliable, understandable, fault tolerant, and reusable. The individual will provide software process management and control throughout the coding portion of the software development process. Additionally, the individual will promote code reuse and cross-program collaboration while reducing maintenance costs by creating common functions and shared actions for developers and testers. The selected individual will engineer, author, tune, and document automation scripts in a development environment and deploy to the test/production bench.

Basic Qualifications Must have demonstrated experience with Java.

In-dept experience or familiarity with multiple the following: Java/JEE, Python, C/C++, SQL, SOAP, WSDL, WADL, PERL, PowerShell, VBS, Eclipse, Postgres, Oracle, Jenkins. Experience with Web Application User Interface Development, knowledge of databases and structures, and/or experience working with JSON, HTML, XML, XSLT. Experience with technologies underlying cryptographic systems (symmetric and asymmetric cryptography, ASN.1 encoding, XML canonicalization, digital signatures) 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 Bachelor's degree in Computer Science or a related discipline and at least 8 years of relevant experience. 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, TDD, Refactoring, and ATDD. Developing/integrating with custom defined Domain Specific Languages (DSL). Implementing structures in a scripting language that can be interpreted by a DSL. Experience with Object Software Modeling tools. Experience with developing real-time embedded software.

Experience with the following: JEE (EJB, JPA, JTA, JAX-B, JAX-RS, JAX-WS), SQL, application servers (Tomcat, WebLogic, JBoss), scripting. Experience with FITNesse, Mockito, Cucumber, Unified Functional Tester (UFT), Selenium. Experience with Behavior Driven Development (BDD). Secure Software development (i.e., Layer 7 Policy). Experience with the Scaled Agile Framework (SAFe) methodology, SAFe Agilest Certification, or experience as a member of an agile team. Additional experience in J2EE, Python, C/C++, SQL, SOAP, WSDL, Postgres, Oracle, Mongo, PowerShell a plus.​

Culture

Our strength lies in our community: Our team prioritizes collaboration, professional growth, and encourages open communication. At Sunayu, we don't just secure the mission—we grow together.

Career Development We support and encourage our team members to continue their professional growth by providing company-reimbursed training and continuing education of up to $5,000 per year. We also participate in many industry conferences and events where we share our expertise and experiences.

Pay Rate Salary range considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills, as well as market and business considerations when extending an offer.

Benefits 3 Medical Plan Options Dental and Vision FSA, DCFSA, HSA Life/AD&D Insurance Short-Term & Long-Term Disability Employee Assistance Program (EAP) Training and Educational Assistance Paid Time Off (PTO) 11 Federal holidays 401k plan with up to a 6% match (100% immediate vesting)

Equal Opportunity Employer Sunayu, LLC is an Equal Opportunity/Affirmative Action Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, gender expression, national origin, age, protected veteran status, disability status, marital status, genetic information, medical condition, or any other characteristic protected by law.

Location Annapolis Junction, Maryland Employment Type Full-Time Minimum Experience Experienced Compensation $150,0000 - $220,000

JavaPythonC/C++SQLSOAPWSDLWADLPERLPowerShellVBSEclipsePostgresOracleJenkinsWeb Application User Interface DevelopmentBehavior Driven Developmentmulti-location

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