Software Engineer
WarCollar Industries
Job Description WarCollar Industries is seeking an experienced Search Software Engineer to support mission-critical national security programs. This role is ideal for engineers with deep expertise in Java development, enterprise search technologies, and big data platforms who thrive in high-impact, production environments. Key Responsibilities
- Design, develop, and maintain scalable Java-based backend applications supporting mission operations.
- Configure, optimize, and troubleshoot Solr and/or Elasticsearch environments for high-performance search capabilities.
- Perform schema updates and implement search enhancements.
- Develop and optimize complex Lucene queries to improve search accuracy and efficiency.
- Manage and tune Solr/Elasticsearch shards for scalability, resilience, and performance.
- Develop solutions within large-scale data environments using technologies such as Hadoop, Spark, PySpark, and HBase.
- Participate in code reviews, unit testing, integration testing, and deployment of production-ready software.
- Collaborate with engineers, analysts, and mission stakeholders to deliver innovative technical solutions.
- 3+ years of intermediate to expert-level experience with Solr or Elasticsearch, including:
- Schema design and updates
- Advanced Lucene query development
- Sharding architecture and optimization
- Performance tuning and query optimization
- 3+ years of experience working in big data environments utilizing technologies such as Hadoop, Spark, PySpark, and/or HBase (experience with at least two preferred).
- 5+ years of hands-on backend Java development experience (JavaScript and Spring Boot experience alone does not satisfy this requirement).
- Demonstrated experience developing production software through code reviews, unit testing, integration testing, and deployment.
- Bachelor's degree in Computer Science or a related technical field (or equivalent experience, if applicable).
- TS/SCI Full Scope Polygraph requred
Vacancy posted 1 day ago
Similar jobs that could be interesting for youBased on the Software Engineer in Chantilly, Loudoun County, VA vacancy
$112.8k - $257k
...Job Number: R0245774 Full-Stack Software Engineer The Opportunity: As a software engineer, you know that good software is more than just a nice-looking interface and data. You need the right combination of clean code, APIs, analytics, and infrastructure to develop...SuggestedFull timeContract workPart timeWork at officeLocal areaRemote workBooz Allen Hamilton
Chantilly, Loudoun County, VA3 days ago$170k - $195k
...SECRET CLEARANCE Responsibilities of the Senior Full Stack Software Developer include: Develop, review, and refactor Java (Spring... ...Master's Degree in Computer Science and 10+ years of software engineering experience. 5+ years of experience with Java/Spring Boot...SuggestedPiper Companies
Chantilly, Loudoun County, VA4 days ago$98.5k - $206.8k
...Full Stack Software Engineer We are seeking a talented and motivated Senior Software Engineer to join our dynamic team. As a key contributor, you will design, develop, and maintain innovative software solutions that meet modern industry standards. Our ideal candidate...SuggestedFull timeContract workWork experience placementWork at officeFlexible hoursCACI International
Chantilly, Loudoun County, VA19 hours ago- ...Full Stack Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are looking for a highly skilled Full Stack Software Engineer to join our team and contribute...SuggestedTemporary workFor contractorsImmediate startFlexible hours
Cymertek
Chantilly, Loudoun County, VA3 days ago $102k - $128k
...domain awareness, space resiliency, mission autonomy, structures, sensors, and nextgeneration space systems. The Full Stack Software Engineer is responsible for designing, building, and maintaining endtoend software capabilities that power the company's simulation,...SuggestedPermanent employmentRedwire Space
Chantilly, Loudoun County, VA5 days ago- ...Location: Chantilly , Virginia Type: Direct Hire Job #4019 Full-Stack Software Engineer Chantilly, VA Primary Responsibilities: Analyzing high level customer requirements and deriving lower-level functional requirements. Software...
Cornerstone Defense
Chantilly, Loudoun County, VA5 days ago - ...PID: 26-14-02-004-IIAU Summary E-INFOSOL LLC is seeking a motivated and results-driven Full Stack Software Engineer to be a full-time employee in Chantilly, VA to join our innovative and customer solutions focused team. Position Overview E-INFOSOL is...Full timeContract workTemporary workLocal area
E-InfoSol LLC
Chantilly, Loudoun County, VA4 days ago $125k - $250k
...Software Engineer – TS/SCI with Full Scope Polygraph Location: Chantilly, VA — On-Site Salary: $125,000–$250,000 per year Employment Type: Full-Time Position Overview We are seeking a Software Engineer to support mission-critical software development...Full timeStealth Startup
Chantilly, Loudoun County, VA2 days ago- ...We are seeking a highly skilled Software Developer to support the development of mission-critical applications and cloud-based solutions... ...AWS Cloud Development Kit (CDK). Collaborate with engineers, architects, and mission stakeholders to deliver innovative technical...Full time
Kavaliro
Chantilly, Loudoun County, VA15 hours ago - ...knowledge bases, deployment checklists, architecture diagrams, security plans, and administrative procedures . Manage enterprise software lifecycle activities, including patching, upgrades, and license renewals . Experience applying Agile methodology and...Full timeImmediate startFlexible hours
RCT Systems
Chantilly, Loudoun County, VA1 day ago - ...Cloud Big Data Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking a skilled Cloud Big Data Software Engineer to join our team and play a pivotal...Temporary workFor contractorsImmediate startFlexible hours
Cymertek
Chantilly, Loudoun County, VA2 days ago $175k - $195k
...Overview Software Engineer Chantilly, VA TS/SCI with Poly At Bcore, our strength comes from how we deliver impact to the mission. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed...Bcore
Chantilly, Loudoun County, VA4 days ago- ...Koniag Services, Inc. (KSI), a Koniag Government Service Company, is seeking a skilled Software Engineer to support our government customer. This position requires the candidate to be able to obtain a Public Trust. This position is a remote opportunity. We offer a competitive...Remote workFlexible hours
Koniag Government Services
Chantilly, Loudoun County, VA3 days ago $128k - $270k
...Software Engineer Location Chantilly, VA Job Code 2532 of Openings 1 Apply Now ( DCCA is a veteran-owned high-technology company specializing in providing information technology services to a variety of government agencies and commercial enterprises since 1...Flexible hoursDCCA
Chantilly, Loudoun County, VA4 days ago- ...iQuasar LLC is seeking to fill a Software Engineer for our customer in Chantilly, VA . At iQuasar , we strive to provide the next generation of cutting-edge technologies. Our growth means exciting career opportunities for talented professionals in engineering, software...Permanent employmentTemporary work
iQuasar
Chantilly, Loudoun County, VA5 days ago - ...Backend / Systems Software Developer Please note you must have an ACTIVE TS/SCI with a FULL SCOPE POLY We're hiring a Backend /... ...a Linux-based environment. This is a great opportunity for an engineer who enjoys end-to-end ownership—from development through deployment...
Anonymous Employer
Chantilly, Loudoun County, VA2 days ago - ...Software Engineer/Developer (Any Level) ACTIVE TS/SCI CLEARANCE with FS poly REQUIRED Responsibilities: Significant proficiency in an object oriented programming language Broad experience designing, programming, and implementing enterprise applications...Full time
TENICA Global Solutions
Chantilly, Loudoun County, VA2 days ago $150k - $250k
...What You'll be Owning GRVTY is seeking a Software Engineer with a TS/SCI + Poly clearance (applicable to this customer) to join one of our top projects in Chantilly, VA. What You Must Have Active TS/SCI with Polygraph Clearance Demonstrated experience...Contract workImmediate startGRVTY
Chantilly, Loudoun County, VA1 day ago- ...Full-Stack Software Engineer Overview We are seeking a highly talented, motivated, and creative Full-Stack Software Engineer to join an agile software team supporting mission-critical systems for the national intelligence community. This role focuses on engineering...
The Judge Group
Chantilly, Loudoun County, VA1 day ago - ...Software Engineer Location: Chantilly, VA Eligibility: Candidate must possess an active TS/SCI clearance and be willing to obtain a CI Polygraph. Candidates that possess an active CI Polygraph are heavily preferred. Job Description: We are looking for software...For contractors
ATR Inc
Chantilly, Loudoun County, VA2 days ago - ...Location: Chantilly Type: Contract Job #3898 Title: Senior Software Engineer Location: Chantilly, VA *Clearance: *Active TS/SCI w/ Polygraph needed to apply * Company Overview: Cornerstone Defense is the Employer of Choice within...Contract work
Cornerstone Defense
Chantilly, Loudoun County, VA3 days ago - ...Overview We are seeking an experienced Cloud Software Engineer / AWS Data Engineer to design, develop, and maintain secure cloud-based applications and data solutions within a highly classified mission environment. This position requires strong hands-on experience with...
VTG Defense
Chantilly, Loudoun County, VA5 days ago $200k - $240k
...Job Description Description SAIC is seeking a Software Developer to maintain a network, records system, and other analytical... ...secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging...Science Applications International Corporation
Chantilly, Loudoun County, VA4 days ago$95.2k - $142.8k
...containerization, microservices, real-time operating systems, and visualization frameworks, with expertise in cyber security, software architecture, software engineering, data science, Artificial Intelligence, process improvement, and software development to deliver responsive,...Full timeFor contractorsWork at officeImmediate startRemote workRelocation packageFlexible hoursThe Aerospace Corporation
Chantilly, Loudoun County, VA3 days ago- ...Software Engineer Active TS/SCI with Full Scope Polygraph required. Full-time onsite in Chantilly, VA We are seeking a Software Engineer with a strong full-stack foundation and hands-on experience building modern applications across Java, Spring, Python, and emerging...Full time
Ardent Principles Inc
Chantilly, Loudoun County, VA3 days ago - ...recognized as a top workplace in the DC area and continues to experience strong, strategic growth. We are actively hiring a Software Engineer with TS/SCI w/ Poly to join our team working in Chantilly, VA. We are seeking an experienced Software Engineer to design,...Contract workWork experience placement
Acclaim Technical Services
Chantilly, Loudoun County, VA3 hours ago - ...HPC Software Engineer LOCATION Chantilly, VA 20151 CLEARANCE TS/SCI Full Poly (Please note this position requires full U.S. Citizenship) KEY SUMMARY We are seeking an innovative and driven HPC (High-Performance Computing) Software Engineer to develop...Temporary workFor contractorsImmediate startFlexible hours
Cymertek
Chantilly, Loudoun County, VA3 days ago - ...Software Engineer Level 5 Company Description Since 2006, MAXISIQ has advanced the state of Cyber RDT&E by bringing together industry expertise in software, hardware, communications and security, and leveraging decades of operational experience to deliver exceptional...Contract workWork experience placementRelocation
MAXISIQ
Chantilly, Loudoun County, VA2 days ago - ...Software Engineer Chantilly, VA, USA Full Time Red Rock Government Services - Discover a company you'll love to work for... Red Rock Government Services is a Woman-owned Small Business consultancy providing strategic, IT, financial, and management consulting services...Full time
Red Rock Government
Chantilly, Loudoun County, VA5 days ago - ...Data Engineer Searching for a Data Engineer on our team in Chantilly, VA, you'll help design, build, and maintain modern data solutions... .... As part of a collaborative Agile team, you'll work alongside software engineers, data engineers, and mission stakeholders to develop...
Probity
Chantilly, Loudoun County, VA18 hours ago
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Software Engineer. Be the first to apply!
Related searches
- scientific software engineer Chantilly, Loudoun County, VA
- intel software engineer Chantilly, Loudoun County, VA
- director software engineering Chantilly, Loudoun County, VA
- software engineer Chantilly, Loudoun County, VA
- senior robotics software engineer Chantilly, Loudoun County, VA
- financial software developer Chantilly, Loudoun County, VA
- part time software developer remote Chantilly, Loudoun County, VA
- software engineer remote Chantilly, Loudoun County, VA
- part time software developer Chantilly, Loudoun County, VA
- ngo software engineer Chantilly, Loudoun County, VA