Core Java Software Engineer - TS/SCI with Polygraph
Chantilly, Virginia, United States · On-site
$159k–$215k/yr
Senior+
Type of Requisition: Regular Clearance Level Must Currently Possess: Top Secret SCI + Polygraph Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: None Job Family: Software Engineering Job Qualific…
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Mission Operations Development Engineer - Level 2 - Chantilly
Chantilly, Virginia, United States · On-site
$92k–$138k/yr
Mid level$3.7B raised
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Northrop Grumman Mission Systems, Inc.
Principal / Sr. Principal Cyber Software Engineer
Chantilly, Virginia, United States · On-site
$125k–$235k/yr
Senior
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Skills: C#, C, C++, .NET Framework, PowerShell
Northrop Grumman Mission Systems, Inc.
Mission Operations Development Engineer - Level 3/4 - Chantilly
Chantilly, Virginia, United States · On-site
$114k–$213k/yr
Senior
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Skills: Python, STOL, Satellite operations, Mission operations, Systems engineering
Northrop Grumman Mission Systems, Inc.
Mission Operations Development Engineer - Level 2 - Chantilly
Chantilly, Virginia, United States · On-site
$92k–$138k/yr
Mid level
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Skills: Mission operations, Satellite systems, Python, Scripting, Systems engineering
GKY, a part of True Environmental and its partner firms, have united their strengths to establish the nation's premier environmental and engineering services consulting firm. This powerhouse organization offers an extens…
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Data Analyst and SETA Technical Support SME – Undersea Warfare (USW), Top Secret
Chantilly, Virginia, United States · On-site
Senior+
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Position Title: Aerospace Supplier Quality Engineer Requisition ID: 1856 Position Location: Chantilly, VA Position Reports To: Manager, Quality Supervises Others: No At Trident Systems Space Electronic Systems (SES) divi…
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
$159k–$215k/yr
Full-time
401k with company match, Comprehensive health and wellness packages, Paid vacation, Paid holidays, Paid parental leave, Military leave
Posted 18d ago
~40 hrs/week
Responsibilities
The Core Java Software Engineer will support an information technology enterprise by developing and maintaining secure, scalable Java-based applications. Responsibilities include managing LDAP authentication, implementing REST APIs, and ensuring secure data transmission using PKI and encryption standards.
Requirements
Candidates must possess a Top Secret SCI clearance with Polygraph and have over 10 years of related experience. Proficiency in Core Java, Linux system administration, and secure web development practices is required.
Full job description
Type of Requisition:
Regular
Clearance Level Must Currently Possess:
Top Secret SCI + Polygraph
Clearance Level Must Be Able to Obtain:
None
Public Trust/Other Required:
None
Job Family:
Software Engineering
Job Qualifications:
Skills:
Apache Tomcat, Java Database Connectivity (JDBC), Java Web Development
Certifications:
None
Experience:
10 + years of related experience
US Citizenship Required:
Yes
Job Description:
Seize your opportunity to make a personal impact as a Core Java Software Engineer supporting an information technology enterprise. At GDIT, people are our differentiator. As a Core Java Software Engineer, you will help ensure today is safe and tomorrow is smarter. Our work depends on a Core Java Software Engineer joining our team.
Expert-level knowledge of Core Java (NOT Spring Boot), Eclipse IDE v2026, Java 17 or later, JVM, JRE, and JDK concepts, JavaScript, AJAX, jQuery, JSP, Apache Tomcat 11 or later, Tomcat connector, MariaDB (MySQL) v10 or latest, HTML5, CSS, JSON/XML HTTP, HTTPS, REST API, SSH, PKI, OpenSSL, Putty, Linux and LDAP.
Extensive experience with LDAP authentication and authorization, and custom LDAP-based solutions.
Strong experience with SSH and Putty, and custom SSH-based tools and applications on Linux platform.
Experience with Linux system administration and command-line tools.
Experience w/ Java REST API development, and API secure requests using application certificates and scalability for user activity monitoring.
Experienced w/ JDBC, DAO pattern and configuration using MariaDB (MySQL) and custom database tools and scripts – connection pooling without framework.
Experience deploying applications on Apache Tomcat, configuring Tomcat connectors, and managing HTTPD (Apache HTTP Server).
Experience w/ front-end development w/ JSP, AJAX, jQuery, JavaScript, HTML and CSS design for web presence and back-end development;
Experienced writing Jakarta Servlet API, including servlet lifecycle, request and response handling, and session management.
Experience w/ Java Base64 API, that encodes and decodes data, including its usage and limitations.
Knowledge of Java Cryptography Architecture (JCA) and its APIs.
Knowledge of encryption algorithms, such as AES, RSA and ECC and their usage in Java.
Experience w/Quartz Job Scheduling Library using Core Java development.
Experience w/ software version control tools (Git/GitHub) code repository;
Knowledge of PKI infrastructure and secure data transmission, and custom PKI-based tools and applications.
Knowledge of X.509 certificate handling, including certificate parsing, certificate validation and certificate chaining.
Experienced in generating, managing, and storing key pairs using OpenSSL, and RSA, troubleshooting PKI-related issues, including key pair and certificate problems.
Strong problem-solving skills and analytical thinking, attention to detail, and excellent communication and collaboration skills with technical and non-technical stakeholders.
Ability to analyze user needs to determine technical requirements.
Ability to write clean, maintainable, and well-documented code.
Shows initiative and offers ideas for new products and improvements to existing interfaces.
Actively keeps apprised of industry technological enhancements and changes.
Location: Chantilly, VA (On Customer Site)
Desired skills:
Some experience integrating Python into web applications;
Some experience Writing Confluence plugins
Familiar w/ Windows Active Directory Certificate Services (AD CS) – for issuing and managing key infrastructure (PKI) certificates
US Citizenship Required
WHAT YOU’LL NEED TO SUCCEED:
GDIT IS YOUR PLACE:
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
#WeAreGDIT #JET #GDITEnhanced2026 #VA_2026Alumni
The likely salary range for this position is $158,855 - $214,921. 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:
Less than 10%
Telecommuting Options:
Onsite
Work Location:
USA VA Chantilly
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 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, 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.
Offices: Falls Church, Virginia 22042, US
Enterprise ITNetwork Systems IntegrationProfessional and Technical ServicesTraining and Simulationinformation technologyDefenseCybersecurityCloud ComputingArtificial IntelligenceQuantum Computing
How much do Engineering jobs in Chantilly, VA pay?
Based on 801 listings with disclosed salaries, most engineering jobs in Chantilly, VA pay between $71k–$218k per year. Individual offers vary with seniority, company size, and specialization.
How many Engineering jobs are open in Chantilly, VA right now?
There are currently 1,096 open engineering positions in Chantilly, VA listed on Clera. New openings are added daily as companies post roles.
Which companies are hiring for Engineering roles in Chantilly, VA?
Companies currently hiring include Booz Allen Hamilton, SAIC, CACI International Inc, VT Group (VTG), The Aerospace Corporation, among others. Browse the listings above to see every active employer.
Are there remote or hybrid Engineering jobs in Chantilly, VA?
Yes — 123 of the 1096 open engineering positions offer remote or hybrid work (15 remote, 108 hybrid).
How do I apply for Engineering jobs in Chantilly, VA?
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.