Senior Software Engineer with Security Clearance

Staffed4UChantilly, VA🇺🇸United StatesPosted Sep 22, 2026

Quick Overview

Seniority

Mid Senior

Employment type

Employee

Work mode

Hybrid

Location

Chantilly, VA, United States

Posted

1 week ago

RubyMachine LearningApacheHTMLJavaJavaScriptRails

Job Description

Senior Software Engineer

Chantilly, VA
Computer/Software Senior Software Engineer Location: Chantilly, Virginia Security Clearance: Active TS/SCI with Polygraph Required Job Type: Full-Time Position Overview The selected candidate will provide senior-level software engineering support for the design, development, integration, and maintenance of mission-critical applications and systems in a secure technical environment. The role requires advanced knowledge of software development, systems engineering, cloud technologies, and system performance optimization. Minimum Qualifications
Bachelor’s degree and a 6+ years of relevant experience; OR
Ten (10) years of related professional experience in lieu of a degree
Minimum of six (6) years of software engineering experience
Active Top Secret/Sensitive Compartmented Information (TS/SCI) clearance with Polygraph
Demonstrated experience supporting complex technical and operational environments Duties and Responsibilities
Design, develop, test, and maintain enterprise software systems and applications
Analyze software and system requirements to develop technical solutions that meet operational objectives
Evaluate and improve software performance, scalability, reliability, and maintainability
Develop system specifications, technical documentation, and implementation plans
Coordinate with engineers, analysts, developers, and stakeholders to support system integration and deployment
Modify and enhance existing software applications to improve functionality and resolve system issues
Analyze interfaces between hardware and software systems and define performance requirements
Support installation, configuration, testing, and maintenance of software systems and applications
Develop and maintain applications within cloud-based environments, including modernization of legacy systems
Estimate software development schedules, technical risks, and resource requirements
Apply advanced analytical and engineering methods to evaluate system performance and software outcomes
Provide technical leadership, mentoring, and guidance to junior engineering staff and development teams
Support troubleshooting, root cause analysis, and resolution of complex technical issues Required Knowledge, Skills, and Abilities
Advanced knowledge of software engineering principles, programming, and systems analysis
Experience developing applications in cloud and enterprise environments
Ability to analyze user requirements and translate them into technical solutions
Experience with software testing, debugging, and performance optimization
Strong analytical, organizational, and problem-solving skills
Excellent written and verbal communication skills
Ability to work independently and collaboratively in a fast-paced technical environment Preferred Technical Experience Experience or familiarity with one or more of the following technologies or tools is desirable:
Programming languages and software development frameworks
Web application development technologies including HTML, JavaScript, Apache Struts, and Ruby on Rails
Software testing, usability testing, and defect tracking tools including Mercury Interactive LoadRunner
Source code editors and software development environments
Desktop computing systems, high-end servers, and application server technologies About the Organization A dynamic, quality-focused small business providing innovative and mission-oriented solutions to government and commercial customers. The organization supports defense, intelligence, civilian, and commercial sectors through a team of experienced professionals and subject matter experts. Benefits Summary Our client offers a comprehensive benefits package to support employee well-being, financial security, professional growth, and work-life balance. Benefits may include:
Flexible/Unlimited Time Off for full-time exempt employees, available immediately upon hire, plus up to 48 hours of sick leave and 11 paid holidays.
401(k) with 100% company match on the first 6% contributed, with immediate 100% vesting. Both traditional and Roth 401(k) options are available.
Multiple CareFirst medical plans, including HSA and employer-funded HRA options; HRA contributions can be as high as $3,500 individual / $7,000 family.
Dental and vision coverage, including 100% preventive dental coverage and annual vision benefits.
100% employer-paid Basic Life & AD&D and Short-Term Disability insurance.
$5,000 per year for tuition and professional development reimbursement.
$100/month parking or transit reimbursement.
Additional perks include pet insurance, Employee Assistance Program (EAP), wellness programs, travel assistance, and optional supplemental insurance benefits. unlimited PTO + 6% 401(k) match + $5K professional development + $100/month commuter benefit We are an

Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity or expression, national origin, age, disability, veteran status, or any other protected status under applicable law. https://www.staffed4u.com/ Apply Now More Openings