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ClearanceJobs

ClearanceJobs

via LinkedIn

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Senior Software Developer with Security Clearance

Huntsville, AL
Full-time
Posted 12/4/2025
Verified Source
Key Skills:
C#
PowerShell
Angular
ASP.NET
.NET Core
MS SQL
XML
Windows Presentation Foundation (WPF)
HTML
JavaScript
Microservices Architecture
Entity Framework
Jira
Git
Git CI/CD

Compensation

Salary Range

$120K - 200K a year

Responsibilities

Design, develop, test, debug, and maintain complex software applications and tools for government projects, providing technical leadership and full lifecycle support.

Requirements

Bachelor's degree in software development or computer science with 5+ years software development experience, proficiency in multiple programming languages and frameworks, TS clearance, and ability to work onsite full-time.

Full Description

Open Systems Technologies Corporation is looking for a Software Developer to join our team in providing top level expertise in support of the Department of Justice. Job Title: Applications Dev Sr Clearance Level - Must be able to obtain: Top Secret/SCI Polygraph Clearance Level - Must currently possess: Top Secret The .Net Software Developer will: * Possess exceptional interpersonal and communication (verbal and written) skills. * Provide instruction, guidance, and prepare both program-level and user-level documentation. • Translate detailed design into computer software. • Test, debug, and refine computer software to produce the required product. • Enhance software to reduce operating times or improve efficiency; and • Provide full life cycle support for software including user interaction. • May provide technical direction to programmers to ensure program deadlines are met. Functional Responsibilities: Designing, maintaining, and implementing software designed around a specific set of requirements or to use particular methodologies required to meet specific procedural requirements. The Software Developer shall design software tools that include system calls to other third-party tools and utilities specified. The Software Developer shall design, maintain, and implement original software applications from a high level, non-specific set of concepts provided by the government. The Software Developer shall develop software, and application of large and complex software and systems, and web-based query and reporting systems. Required Education, Experience & Skills: Minimum Education: * Must have four (4) year college degree in software development or computer science, and five (5) years' experience of software development, or in lieu of education ten (10) years. If utilizing in lieu of education, all experience must be at or above the position level described. Minimum/General Experience: * Must possess a diverse set of programming language including: * C# * PowerShell * Angular (Vue, React, or Ember may be applicable in lieu of Angular experience, depending on level of experience) * ASP.NET * .NET Core* • MS SQL * XML * Windows Presentation Foundation (WPF) * HTML * JavaScript * Microservices Architecture * Entity Framework* • Jira*, Git*, Git CI/CD* • Must have four (4) year college degree in software development or computer science, and five (5) years' experience of software development, or in lieu of education ten (10) years. If utilizing in lieu of education, all experience must be at or above the position level described. • That a TS clearance is required, and a CI poly will be conducted and is reoccurring. Please ensure they understand that sometimes other entity's polys are not accepted. • Position is 100% on site. • That the core hours are 9AM-3PM local time, support time is 6AM-6PM (M-F) local time, there is no option for 9/80 schedule or to be remote. • Some of the team is off site from Quantico; located at Huntsville, so candidate must be able to thrive in that type of environment. • Must be senior level, proactive, disciplined, and have leadership traits - this person is the last line of defense for troubleshooting issues or the person to supply that high level of critical thinking for the team. • There are 2 other contractors who are senior level on this team, agile practices, scrum methodologies used. BENEFITS Our company OST has been operating since 1996 and have various contracts with Government agencies. We offer a comprehensive benefit package that includes 3 weeks paid time off, 11 Paid Holidays, medical/dental coverage, STD, LTD, Life Insurance, AD&D, 401k with up to 4% match, and end of year profit sharing paid out in 401k.

This job posting was last updated on 12/5/2025

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