Software Engineer

General Information

Requisition # R63636 Locations USA-MD-Columbia Posting Date 10/06/2025 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 is seeking a highly motivated and collaborative Software Engineer Level 3 to join our team in Columbia, MD.

In this role, you will develop, maintain, and enhance complex and diverse software systems based upon documented requirements. Review and test software components for adherence to the design requirements and document test results. Resolve software problem reports. Utilizes software development and software design methodologies appropriate to the development environment. Provide specific input to the software components of system design to include hardware/software trade-offs, software reuse, use of Commercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.

Responsibilities include, but are not limited to:

• 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
• Develop simple data queries for existing or proposed databases or data repositories
• Serve as team lead at the level appropriate to the software development process being used on any project.
• Design or implement complex database or data repository interfaces/queries
• Develop or implement algorithms to meet or exceed system performance and functional standards
• 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

Minimum Qualifications:

• 20+ years’ experience as a SWE in programs and contracts of similar scope, type, and complexity.
• Bachelor’s degree in computer science or related discipline from an accredited college or university; an additional 4 years of SWE experience might be considered for a degree.
• Experience in a DevOps environment providing Kubernetes platform and related infrastructure stack for a variety of enterprise tenants

• Rancher Multi-Cluster Management

• GitOps including GitLab-runners and CI/CD pipelines

• Flux/Argo Continuous Delivery

• Experience with project management tools such as JIRA/Confluence for issue tracking and knowledge base documentation

Preferred Qualifications:

• Talos Operating System

• VMWare vSphere and AWS EC2 infrastructure

• Linux Administration

• Python and Bash scripting

Clearance Requirements:

• Must have a current/active TS/SCI with Polygraph

Physical Requirements:

• Must be able to remain in a stationary position 50% of the time
• Occasionally moves about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, including delivering presentations. Must be able to exchange accurate information in these situations

The projected compensation range for this position is $126,300.00-$210,300.00. 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 International Corporation 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.