Senior Software Engineer - FFPP

Innovative Systems & Solutions | Full time - Onsite

Annapolis Junction, United States | Posted on 03/17/2026

Innovative Systems & Solutions (ISS) works with a wide spectrum of talent to establish an atmosphere that stimulates creativity, constant progress, and achievement. At ISS, you will have the chance to immediately impact government transformation and our clients' missions by offering information solutions and services to Federal and Department of Defense (DoD) customers. Employees at ISS can look forward to exciting career opportunities.

About the Role

The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics,novel algorithm development, manipulation of extremely large data sets,real-time systems, and business management information systems) based upon documented requirements.

• Works individually or as part of a team.
• Reviews and tests software components for adherence to the design requirements and documents test results.
• Resolves software problem reports.
• Utilizes software development and software design methodologies appropriate to the development environment.
• Provides 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.

• Fourteen (14) years’ experience as a SWE in programs and contracts of similar scope, type, and complexity is required.
• ABachelor’s degree in Computer Science or related discipline from an accredited college or university is required.
• Four (4) years of additional SWE experience on projects with similar software processes may be substituted for a bachelor’sdegree.

Salary Range

salary range provided is a general guideline. ISSI considers several factors when determining compensation, including the role’sresponsibilities, candidate experience, education, skills, and current market conditions.

What We Offer

• 401(k) with matching contributions
• Health,Dental, and Vision coverage
• Employer-funded
  
  Health Savings Account (HSA)
• Lifeand AD&D insurance
• Short-Termand Long-Term Disability coverage
• Business travel and expense reimbursement
• Employee referral program with cash bonuses
• Employee recognition program
• Tuition and training reimbursement

Who Is ISSI?

ISSI is a growing management and technology consulting firm specializing in systems and software solutions. Our team is dedicated to delivering exceptional results for both our clients and employees.

Since our inception, we have focused on developing innovative solutions that help organizations achieve their goals. We prideourselves on collaboration, technical excellence, and staying at the forefront of emerging technologies.

Equal Opportunity Employer

ISSI is proud to be an Equal Opportunity Employer. All employment decisions—including hiring, promotion, discipline, and termination—are based on merit and business needs. We do not discriminate onthe basis of race, color, religion, age, genetic information, or any other protected status under federal, state, or local law.

Innovative Systems & Solutions is an Equal Opportunity Employer and does not discriminate on the basis of race or ethnicity, religion, sex, national origin, age, veteran disability or genetic information or any other reason prohibited by law in employment.