Software Engineer III

General Dynamics Information Technology

Annapolis Junction, Maryland, United StatesFull-time$214,776–$290,580Posted Oct 28, 2026

About the role

Type of Requisition:

Regular

Clearance Level Must Currently Possess:

Top Secret SCI + Polygraph

Clearance Level Must Be Able to Obtain:

Top Secret SCI + Polygraph

Public Trust/Other Required:

None

Job Family:

Software Engineering

Job Qualifications:

Skills:

Computer Security, Information System Security, Security Information, Security Requirements, System Security

Certifications:

None

Experience:

10 + years of related experience

US Citizenship Required:

Yes

Job Description:

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, realtime 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-theshelf (COTS)/Government Off-the-shelf (GOTS) in place of new development, and requirements analysis and synthesis from system level to individual software components.

Analyze user requirements to derive software design 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

Develop simple data queries for existing or proposed databases or data repositories

Applies knowledge of ITOM, ITSM, HRSD, CSM and/or Service Portal.

Codes with programming languages and databases including HTML, CSS, JavaScript.

Write or review software and system documentation

Serve as team lead at the level appropriate to the software development process being used on any particular project

Design or implement complex database or data repository interfaces/queries

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

Design or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team products

Implement recommendations for improving documentation and software development process standards

Oversee one or more software development teams and ensure the work is completed in accordance with the constraints of the software development process being used on any particular project

Confer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfaces

Coordinate software system installation and monitor equipment functioning to ensure operational specifications are met

Interacts with project customers and stakeholders to report project status and manage subsystems requirements.

Researches, evaluates, and assesses software tools and technologies, such as Free and Open Source Software (FOSS), Government-off-the-shelf (GOTS), Commercial-off-the-shelf (COTS),

and incorporates those findings into the overall software system design.

Serve as the technical lead of multiple software development teams

Select the software development process in coordination with the customer and system engineering

Recommend new technologies and processes for complex software projects

Ensure quality control of all developed and modified software

Delegate programming and testing responsibilities to one or more teams and monitor their performance

Qualifications:

Bachelor’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’s degree.

GDIT IS YOUR PLACE:

● Full-flex work week to own your priorities at work and at home

● 401K with company match

● Comprehensive health and wellness packages

● Internal mobility team dedicated to helping you own your career

● Professional growth opportunities including paid education and certifications

● Cutting-edge technology you can learn from

● Rest and recharge with paid vacation and holidays

The likely salary range for this position is $214,776 - $290,580. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.

Scheduled Weekly Hours:

40

Travel Required:

None

Telecommuting Options:

Onsite

Work Location:

USA MD Annapolis Junction

Additional Work Locations:

Total Rewards at GDIT:

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match. To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave. To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.

Our Identity Verification Process:

As part of the hiring process, we will ask you to complete an identity verification process that leverages advanced biometrics and artificial intelligence to ensure authenticity and protect against identity fraud. You are expected to be on camera during virtual interviews. We reserve the right to take your picture to verify your identity and prevent fraud. By proceeding, you authorize the collection, processing, and use of your biometric data for identity verification and security purposes.

About Our Work:

We are GDIT. A global technology and professional services company that delivers technology solutions and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading mission-ready capabilities in AI, cloud, cyber and software development.

Join our Talent Community to stay up to date on our career opportunities and events at

gdit.com/tc.

Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Responsibilities

  • Design, develop, maintain, test, and enhance complex software systems.
  • Analyze requirements and translate them into software designs and performance requirements.
  • Debug existing software, resolve defects, and improve software performance.
  • Integrate software into new or modified systems and operating environments.
  • Lead software teams, coordinate work, and ensure quality and adherence to development processes.
  • Collaborate with customers, stakeholders, and engineering teams on requirements, project status, and system design.
  • Evaluate software tools and technologies and recommend improvements to processes and standards.
  • Develop database interfaces and queries, and document software and systems.

Qualifications

  • 10 or more years of related experience.
  • Bachelor’s degree in Computer Science or a related discipline; four additional years of relevant software engineering experience may substitute.
  • Experience with computer and information system security and security requirements.
  • Knowledge of ITOM, ITSM, HRSD, CSM, and/or Service Portal.
  • Programming experience with HTML, CSS, and JavaScript.
  • Must possess or be able to obtain Top Secret SCI with Polygraph clearance.
  • U.S. citizenship required.

Benefits

  • 401(k) with company match
  • Medical, dental, and vision plan options
  • Paid vacation, sick leave, holidays, and other paid time off
  • Flexible work week
  • Paid education and certifications
  • Professional growth and internal mobility opportunities
  • Disability, life, and other insurance coverage

Skills mentioned

JavaScriptHTMLCSSSystem DesignDebuggingSoftware TestingSQLDatabase DesignCybersecurityPerformance Optimization

About General Dynamics Information Technology

GDIT is a global technology and professional services company that delivers solutions, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 26,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50+ countries worldwide, offering leading capabilities in digital modernization, AI, also known as super intelligence (SI), cyber, and software development. GDIT is part of General Dynamics, a global aerospace and defense company. We have shared our customers’ sense of purpose for over half a century and have a unique understanding of their missions, complex environments, and a rapidly changing world. Together with our customers, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.

IT System Data Services10,001+ employeesFalls Church, Virginia

H-1B sponsorship history

Historical employer filing data was found for General Dynamics Information Technology. The employer record includes 162 historical certified applications. This is employer-level history, not a guarantee that this role currently offers sponsorship.