Senior Software Engineer - FFPP-8809

Innovative Systems & Solutions | Full time - Onsite

Senior Software Engineer - FFPP-8809

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.

Job Description

About the Role

The Software Engineer develops, maintains, and enhancescomplex 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 upondocumented requirements. Works individually or as part of a team. Reviews andtests software components for adherence to the design requirements anddocuments test results. Resolves software problem reports. Utilizes softwaredevelopment and software design methodologies appropriate to the developmentenvironment. Provides specific input to the software components of systemdesign to include hardware/software trade-offs, software reuse, use ofCommercial Off-the-shelf (COTS)/Government Off-the-shelf (GOTS) in place of newdevelopment, and requirements analysis and synthesis from system level toindividual software components.

Key Responsibilities

• Analyzeuser requirements to derive software design and performance requirements
  
• Designand code new software or modify existing software to add new features
  
• Debugexisting software and correct defects
  
• Integrateexisting software into new or modified systems or operating environments
  
• Developsimple data queries for existing or proposed databases or datarepositories
  
• Providerecommendations for improving documentation and software developmentprocess standards
  
• Developor implement algorithms to meet or exceed system performance andfunctional standards
  
• Assistwith developing and executing test procedures for software components
  
• Writeor review software and system documentation
  
• Developsoftware solutions by analyzing system performance standards, confer withusers or system engineers; analyze systems flow, data usage and workprocesses; and investigate problem areas
  
• Serveas team lead at the level appropriate to the software development processbeing used on any particular project Modify existing software to correcterrors, to adapt to new hardware, or to improve its performance
  
• Design,develop and modify software systems, using scientific analysis andmathematical models to predict and measure outcome and consequences ofdesign Design or implement complex database or data repositoryinterfaces/queries
  
• Overseeone or more software development teams and ensure the work is completed inaccordance with the constraints of the software development process beingused on any particular project Design or implement complex algorithmsrequiring adherence to strict timing, system resource, or interfaceconstraints
  
• Performquality control on team products
  
• Conferwith system engineers and hardware engineers to derive softwarerequirements and to obtain information on project limitations andcapabilities, performance requirements and interfaces
  
• Coordinatesoftware system installation and monitor equipment functioning to ensureoperational specifications are met Implement recommendations for improvingdocumentation and software development process standards
  

Requirements

Qualifications

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

Salary Range 210-215,000

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

What We Offer

ISSI provides a highly competitive benefits package,including:

• 401(k)with matching contributions
  
• Health,Dental, and Vision coverage
  
• Employer-fundedHealth Savings Account (HSA)
  
• Lifeand AD&D insurance
  
• Short-Termand Long-Term Disability coverage
  
• Businesstravel and expense reimbursement
  
• Employeereferral program with cash bonuses
  
• Employeerecognition program
  
• Tuitionand training reimbursement
  

Who Is ISSI?

ISSI is a growing management and technology consulting firmspecializing in systems and software solutions. Our team is dedicated todelivering exceptional results for both our clients and employees.

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

Equal Opportunity Employer

ISSI is proud to be an Equal Opportunity Employer. Allemployment decisions—including hiring, promotion, discipline, andtermination—are based on merit and business needs. We do not discriminate onthe basis of race, color, religion, age, genetic information, or any otherprotected 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.