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Senior Software Engineer with Security Clearance

Company:
Toyon Research Corporation
Location:
Ashburn, VA, 20149
Posted:
July 16, 2026
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Description:

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Senior Software Engineer

Toyon Research Corporation

Senior Software Engineer

Ashburn, VA

Job Type

Full-time

Description

U.S. Citizenship Required. Ability to qualify for a US Department of Defense security clearance required.

This position is in-person (non-remote).

Toyon is seeking individuals capable of developing object-oriented software in C++, C#, Java, JavaScript and/or Python. The experienced software engineer will design, develop, test, and perform analysis in a highly technical environment. This position is an opportunity to work on a software engineering team with senior staff members guiding the development of mission-critical planning and decision-support systems for government customers. Motivation and a drive to implement robust software with intuitive user interfaces is required. Qualified candidates will have demonstrated software engineering capabilities and success working in a collaborative environment with configuration management and version control tools.

Qualified candidates will also have experience performing project management work and support, including tracking and confirming technical performance, monitoring budgets, writing status reports and briefings for customer review.

Requirements

Candidates with at least 7 years of relevant professional experience and a Bachelor’s or advanced degree in computer science or engineering are encouraged to apply.

The ideal candidate will have the following experience, skills and ambition:

Excellent thinking and problem-solving skills

Ability to work with others to conceptualize and collaboratively solve problems

Object-oriented software development in C++, C#, Java, JavaScript, Python and/or other (React and/or TypeScript a plus)

Experience designing, developing, and performing analysis with database management systems, geographic Information systems, and/or other (DBMS, SQL, GIS such as ArcGIS, etc.)

Understanding of software and systems engineering for multi-machine deployments

At least 1 year of project management experience

Ability to configure and maintain virtual machines and host servers

Preferred:

Strong math skills, particularly for implementation of optimization and search methods

Experience with coding and testing numerical methods

Existing TS Clearance with SCI eligibility

WE OFFER AN EXCEPTIONAL EMPLOYEE BENEFITS PACKAGE!

Competitive Industry Pay

100% Employer-Paid Medical Insurance Premium

HSA with Employer Contributions

Dental and Vision Coverage Options

Paid Holidays

Paid Vacation and Sick leave

Company Funded 401(k) and Profit Sharing Plans

Employee Stock Ownership Plan (ESOP)

Life and Disability Insurance

Paid Parental Leave

Discretionary Bonus Eligibility

The annual pay range for the Senior Software Engineer position is $130,000 to $190,000.

The posted pay range values provide the candidate with guidance on annual base compensation for the position, at a full time level of effort, exclusive of overtime, bonus, and benefits-related compensation, over a range of qualifications that may fit hiring objectives. Toyon Research Corporation will consider the individual candidate’s education, work experience, applicable knowledge, skills and training, among other factors, when preparing an offer of employment.

Equal Opportunity Employer including Disability and Veterans

Applicant Privacy Notice

Learn more about our company in our latest video, We are Toyon.

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