Demo

Software Engineer, Level 3 (AE26100902)

ADVANTAGE ENGINEERING & IT SOLUTIONS, INC
Annapolis, MD Full Time
POSTED ON 10/10/2026
AVAILABLE BEFORE 11/7/2026
AEITS, a GTSC company, seeking a Software Engineer, Level 3.

Location: Annapolis Junction, MD

All work is on-site. This is not a hybrid or remote position.

Mission: 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.

Clearance: Active Top Secret SCI with appropriate polygraph.

Certifications: None required.

Requirements

  • High School with 24 years of experience a SWE in programs and contracts of similar scope, type, and complexity is required.
  • Bachelor's degree in Computer Science or related discipline from an accredited college or university is required with 20 years SWE experience on projects with similar software processes.

Responsibilities

  • 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.
  • 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.
  • Design or implement complex database or data repository interfaces/queries.
  • Develop or implement algorithms to meet or exceed system performance and functional standards.
  • 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.
  • Modify existing software to correct errors, to adapt to new hardware, or to improve its performance.
  • Design, develop and modify software systems, using scientific analysis and mathematical models to predict and measure outcome and consequences of design.

BENEFITS - Full-time Employees

  • 401K with employer contribution. Fully vested at 1 year anniversary.
  • Five (5) weeks comprehensive annual leave (25 workdays).
  • Additional leave can be earned in lieu of overtime.
  • 11 Paid Federal Government Holidays.
  • Up to $5,000 annually for individually tailored education / training program.
  • All education plans must be pre-approved by Advantage Engineering management.
  • Life Insurance at 1x annual salary with employee option to purchase additional coverage for self and dependents.
  • Short-term and long-term disability.
  • We contribute a generous portion towards the cost of monthly medical plans for any of the three medical, 1 dental and 1 vision plan provided by CareFirst.
  • All employees are eligible to earn generous incentives and performance bonuses.

 

AEITS, a GTSC company, is proud to be an equal opportunity employer, committed to recruiting, hiring, and promoting qualified people of all backgrounds, regardless of sex, race, color, creed, national origin, religion, age, marital status, pregnancy, physical, mental or sensory disability; sexual orientation; gender identity or any other basis protected by federal, state or local law. Learn more about your EEO rights as an applicant.

GTSC is committed to working with and providing reasonable accommodation to applicants with physical and mental disabilities. If you have a disability and require assistance with our online application process, please tell us how we can help by contacting us at Recruiting@GTSC.com

AETALGARTH 202606

Salary.com Estimation for Software Engineer, Level 3 (AE26100902) in Annapolis, MD
$125,372 to $151,702
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