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Software Engineer III

GDIT

Software Engineer III

full-timePosted: Aug 26, 2026Updated: Sep 2, 2026USA MD Annapolis Junction

Job Description

Type of Requisition:RegularClearance Level Must Currently Possess:Top Secret SCI + PolygraphClearance Level Must Be Able to Obtain:Top Secret SCI + PolygraphPublic Trust/Other Required:NoneJob Family:Software EngineeringJob Qualifications:Skills:Computer Security, Information System Security, Security Information, Security Requirements, System SecurityCertifications:NoneExperience:10 + years of related experienceUS Citizenship Required:YesJob 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 designmethodologies 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 requirementsDebug existing software and correct defectsProvide recommendations for improving documentation and software development process standardsDesign and code new software or modify existing software to add new featuresIntegrate existing software into new or modified systems or operating environmentsDevelop simple data queries for existing or proposed databases or data repositoriesApplies 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 documentationServe as team lead at the level appropriate to the software development process being used on any particular projectDesign or implement complex database or data repository interfaces/queriesDevelop software solutions by analyzing system performance standards, confer with users or system engineers; analyze systems flow, data usage and work processes; and investigate problem areasModify 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 designDesign or implement complex algorithms requiring adherence to strict timing, system resource, or interface constraints; Perform quality control on team productsImplement recommendations for improving documentation and software development process standardsOversee 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 projectConfer with system engineers and hardware engineers to derive software requirements and to obtain information on project limitations and capabilities, performance requirements and interfacesCoordinate software system installation and monitor equipment functioning to ensure operational specifications are metInteracts 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 teamsSelect the software development process in coordination with the customer and system engineeringRecommend new technologies and processes for complex software projectsEnsure quality control of all developed and modified softwareDelegate programming and testing responsibilities to one or more teams and monitor their performanceQualifications: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 holidaysThe 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:40Travel Required:NoneTelecommuting Options:OnsiteWork Location:USA MD Annapolis JunctionAdditional 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 atgdit.com/tc.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Locations

  • USA MD Annapolis Junction

Salary

214,776 - 290,580 USD / yearly

Required 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. (experience)
  • 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 (certification)

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