Senior Software Engineer Top Secret/SCI w/Poly
Peraton
Basic Qualifications: Active TS/SCI security clearance with polygraph is required. Fourteen (14) years’ experience as a SWE in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in Computer Science or related discipline from an accredited college or university is required (Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’s degree). Preferred Skills and Domain Experience: Apache Open Source Hadoop Apache Open Source Accumulo Apache Open Source NiFi MongoDB Message Brokers (e.g. ActiveMQ) Spring Framework, Python, and Bash Knowledge of security and compliance best practices Data Warehouses, Presentation Tools, Data Flows, and Analytics AWS Cloud experience, hybrid cloud environments, and similar commercial cloud technologies Peraton offers enhanced benefits to employees working on our critical National Security programs, which include heavily subsidized employee benefits coverage for you and your dependents, 25 days of PTO accrued annually up to a generous PTO cap and eligibility to participate in an attractive bonus plan. Role Overview The Data Warehouse Platforms Engineering Shared Services & SW Development team is seeking a mid-level Software Engineer on a product development team. The candidate will have a primary focus of supporting all aspects of agile software design and development for products that are integrated into systems on large scale compute clusters in a COOP setup. Perform requirements analysis, software design, development, installation, integration, evaluation, enhancement, maintenance, testing, Ops Monitoring, and problem diagnosis/resolution at a high level of proficiency and independence. Able to clearly communicate directions and provide guidance to more junior programmer/analysts, as required. Software Engineers must be adept at developing solutions which integrated or extended COTS or GOTS products. Additionally, Software Engineers may be responsible for evaluating project needs, optimizations, determining tasks and durations, code/architecture reviews, and generating and reviewing designs for technical accuracy/completeness. Core Required Competencies and Skills: Strong experience with Java Programming for distributed systems, with experience in networking and multi-threading Proficiency in Infrastructure as Code (IaC) tools like Ansible and Puppet Experience in Continuous Integration, Deployment, Testing and Ops Monitoring practices Agile development experience with source code management practices and tools Well-grounded in Linux fundamentals and knowledge in at least one scripting language (e.g. Python, Ruby, Perl, etc.) Familiarity with microservices software development technique and container-orchestration (e.g., Kubernetes) Familiarity with Containerization (e.g. Docker) Rotating Tier III On-Call Support required, along with possible Emergency Surge Support based on Ops Tempo Work is in the customer office, regular/guaranteed telework is not generally supported at this time. However, there are some tasks or research projects available ad hoc for teleworking by qualified team members. #J-18808-Ljbffr Peraton
- Qualifications A TS/SCI with a current poly is required. 14 years in programs and contracts of comparable... ...in Mathematics, Computer Science, Engineering, Statistics, Engineering Management,... .... Four years of additional software engineering experience may substitute...Senior
- A leading engineering services company is seeking a Software Engineer in Annapolis, Maryland. This role involves performing software development lifecycle... ...related frameworks. Candidates must have an active Top Secret/SCI clearance. Benefits include generous paid time off...Senior
$107.74k - $143.75k
...Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be... ...• Security Clearance Level: TS/SCI w/Poly • Location: On Site • US... ...ready capabilities in AI, cloud, cyber and software development. Join our Talent Community...SeniorTemporary workWork at officeImmediate startRemote workWorldwideFlexible hours$176k - $282k
...technologies and processes for complex software projects and serve as the technical lead... ...coordination with the customer and system engineering. Ensure quality control of all... ...Qualifications Basic Qualifications: TS/SCI with Polygraph level clearance is required...SeniorContract workTemporary workFlexible hoursShift work- Dover Networks LLC in Maryland seeks a Senior Systems Administrator with Top Secret/SCI and Full Scope Poly to support IT infrastructure, troubleshooting, and operations across client/server/storage/network devices and mobile devices. Responsibilities include Tier 1 and...Senior
$110.5k - $149.5k
...Must Currently Possess: Top Secret SCI + Polygraph Clearance... ...: Identity Management Engineer As a Systems Engineer... ...The Systems Engineer Senior must have: • Education... ...clearance level: TS/SCI w/Poly • US citizenship... ...AI, cloud, cyber and software development. Join our...Temporary workImmediate startRemote workWorldwideFlexible hours- Momentum Engineering, Inc. in Annapolis, MD seeks a Systems Engineer to design, integrate, and maintain complex systems. This role involves... ...in a related field and 14 years of experience. An active Top Secret/SCI clearance with NSA Full Scope Polygraph is mandatory. The...Senior
$130k - $270k
Captivation, based in Maryland, is seeking a Senior Systems Engineer to translate user experiences into actionable tasks while interacting directly with users. Candidates must hold a Top Secret/SCI clearance and have a relevant bachelor’s degree, with five or more years...Senior- Momentum Engineering, Inc. is seeking a skilled Systems Engineer to design, integrate, and maintain complex systems to ensure performance... ...meet operational needs. Applicants must possess an active Top Secret/SCI clearance along with a Bachelor's degree in System...Senior
$200k - $220k
DCCA is a veteran-owned IT business delivering innovative IT solutions since 1982. The role requires TS/SCI w/Poly and involves engineering across the full system life cycle, emphasizing reliability and resiliency for HPC and IT programs. Salary range Maryland: $200,000...Senior- teampointblank is seeking a Senior Software Engineer to develop, maintain, and enhance complex software systems in Annapolis, Maryland.... ...leadership within software development teams. A current TS/SCI clearance with poly is required. A signing bonus of $30,000 is offered. #J...SeniorRelocation package
- Senior Software Engineer for DC Top Workplace 2014-2016! Full-time About Next Century We were founded as a direct result of the 9/11 attacks and provide... ...and database level Qualifications Maintaining a TS/SCI w/Poly clearance Benefits Medical Insurance Vision Insurance...SeniorFull timeFlexible hours
- GliaCell is seeking a Senior Software Engineer to join a subcontracted team supporting a U.S. Government customer. This full-time role focuses... ...engineering, a BS in CS or related field, and active TS/SCI with poly. Strong communication and the ability to work...SeniorRemote jobFull time
$160k - $205k
...Executive Service Corps in Annapolis, Maryland is seeking a qualified Linux System Administrator. Candidates must have active TS/SCI w/Poly clearance and experience in Linux System Administration, as well as a Bachelor’s Degree in a technical discipline. The role involves...Senior- Acclaim Technical Services seeks an Intelligence Management Specialist (Ops Mission Team Support) Senior with an active TS/SCI clearance w/ Poly for an upcoming contract around October 2026. You will support International Affairs Officers with multiple intelligence disciplines...SeniorContract work
- ...in delivering innovative database-focused solutions. Our Senior Database Engineer will design, implement, and optimize database systems, balancing... ...scripting, with Mongo experience as a plus. A current Top-Secret/SCI with polygraph clearance is required and sponsorship is...Senior
$215k - $275k
...experienced System Administrator in Annapolis Junction, MD to manage IT infrastructure and support operations. This position requires a Top-Secret/SCI with polygraph security clearance and a technical degree or extensive experience. The role offers a comprehensive benefits...Senior- ...troubleshooting is preferred. Experience with Session Border Controller (SBC) and SIP detailed traces is a plus. Security Clearance Level: TS/SCI w/Poly Location: On Site US Citizenship Required GDIT IS YOUR PLACE: 401K with company match Comprehensive health and wellness packages...SeniorWork at officeWorldwide
- Erias Ventures, LLC seeks engineers to support IT systems, troubleshoot, and maintain infrastructure across UNIX/Windows servers and... ...solving in a growth-oriented company. The position requires a Top-Secret/SCI clearance with polygraph and a bachelor’s degree in a...Senior
- ...over 8 years of experience in Unified Communications, strong troubleshooting skills, and familiarity with performance monitoring tools. This position requires US citizenship and security clearance to TS/SCI with Poly. #J-18808-Ljbffr General Dynamics Information TechnologySenior
- ...and 15 years of system administration experience. Five years of additional experience may be substituted for a BS. An active TS/SCI w/Poly is required. 5+ years of combined experience in network administration (mid-level) to include working knowledge of Cisco switches...SeniorRemote work
$25k
SOFTWARE ENGINEER - Team Lead/Front End - 12+ yrs of Experience - TS/SCI w/Poly clearance is required - TB - 0608 Posted On 07/20/2026 Job Information Technology Work Experience 10-15 Years 235K-242K City Annapolis Junction State/Province Maryland 20701 Job Description...Contract workTemporary workWork experience placementRemote workShift work- Peraton is seeking a mid- to senior-level Network/Desktop Administrator to support a hybrid enterprise environment. The role blends... ...support across Windows 10/11 systems. The ideal candidate has a TS/SCI with Poly, strong networking fundamentals, VDI expertise, and hands-on...Senior
- SageCor Solutions, a Maryland-based engineering services provider, seeks software engineering professionals for high‑performance computing and data analytics... ...work in the Greater Washington D.C. area. Active TS/SCI w/ Polygraph required. Key skills include Java 17+,...
- Next Century Corporation is hiring a Senior Software Engineer based in Maryland to develop innovative software solutions. This position focuses... ...development tasks. Qualified candidates will need a TS/SCI w/Poly clearance. The role offers a comprehensive benefits package...SeniorFlexible hours
- Dover Networks LLC is seeking an experienced software engineer to design and develop AI-powered applications that enable users to interact with mission data using natural language and intelligent automation. You will work directly with mission customers to rapidly prototype...Senior
$100k - $140k
...join a mission critical software development effort that... .../ RHEL Experience w/ Puppet Knowledge of RMF... ...active US Government TS/SCI security clearance with... ...merchandise featuring top quality brands such as... ...occasion with us to deliver engineering excellence, to match...SeniorSummer holidayImmediate start$180k - $260k
GliaCell Technologies is looking for an experienced Senior Software Engineer in Annapolis Junction, Maryland to support critical mission-related... ...customer. The role requires 14+ years of experience, an active TS/SCI clearance, and a Bachelor's degree in Computer Science or a...SeniorRemote jobFull timeWork from home- A leading engineering firm is seeking a Software Engineer with an active Top Secret clearance and extensive experience in software development. This position will involve working within a mature software development environment that utilizes Agile methods and requires proficiency...Senior
- ...FORNSAT Systems Administrator to support a 24x7 mission-essential watch center in Annapolis Junction, MD. The role requires active TS/SCI w/Polygraph clearance and provides front-end systems maintenance for data and voice communications over IP. Primary duties include...SeniorFlexible hours
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