Software Engineer III
GDIT· Defense IT· Aug 26, 2026 · 2mo agoPosted 62 days ago
Annapolis Junction, MD
In office
Full-time
Mid
$215K–$291K
10+ years exp
Before you apply
Ghost Signal:
Open 62 days.
Job description
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
T elecommuting 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
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Benefits
Benefits detected in the listing.
Dental
Vision
401k
401(K)
Paid Time Off
Wellness