Senior Software Engineer

General information

Requisition #

R71131

Locations

USA-MD-Annapolis Junction

Posting Date

10/01/2026

Security Clearance Required

TS/SCI w/ Poly

Remote Type

Onsite

Time Type

Full time

Description & Requirements

Unlock the secrets of intelligence with MANTECH! Join a dynamic team at the forefront of national security, providing advanced solutions to government intelligence agencies. Since 1968, we've been solving the toughest challenges with groundbreaking tech. Explore thrilling projects in Digital Transformation, Cybersecurity, IT, Data Analytics and Software Development. Elevate your career and make a difference. Your adventure begins now-unleash your potential with MANTECH!

MANTECH seeks a motivated, career and customer-oriented Senior Software Engineer to join our team in Annapolis Junction, MD.

Responsibilities include but are not limited to:

• Analyze user requirements to derive software design, implementation code, and performance requirements.

• Debug existing software and correct defects.

• Provide recommendations for improving documentation and software development process standards.

• Design and code new software or modify existing software to add new features.

• Integrate existing software into new or modified systems or operating environments.

• Serve as team leader or technical point of contact at the level appropriate to the software development process being used on any project.

• Design or implement complex database or data repository interfaces/queries.

• Assist with developing and executing test procedures for software components.

• Develop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areas.

• Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcomes and consequences of design.

• Develop or implement algorithms to meet or exceed system performance and functional standards.

• Support one or more software development activities and ensure the work is completed in accordance with the constraints of the software development process.

• Coordinate software system installation and monitor software functioning in the target environment to ensure operational specifications are met.

Minimum Qualifications:

• Bachelor's degree in technical discipline; an additional 4 years of Software Engineering experience might be substituted for a degree.

• 20+ years of experience in software engineering or related technical positions.

• Hands-on experience building, testing, and maintaining scalable applications using Java.

Preferred Qualifications:

• Cloud (AWS preferred), virtualization, and backend infrastructure awareness for Java solutions.

• Practice with build/deployment automation and test-driven development environments.

• Experience with JavaScript.

Clearance Requirements:

• Active TS/SCI with Polygraph.

Physical Requirements:

• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

The projected compensation range for this position is $179,300.00-$318,400.00. There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. In addition, MANTECH invests in its employees beyond just compensation. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation.

If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.