Top Secret Clearance

Top Secret Clearance Developer Jobs

10 jobs found

1d ago

Software Developer Subject Matter Expert

Lion Federal Chantilly, VA

Chantilly, VA

1d ago

$220k - $250k/yr Full time Backend Developer Senior Angular

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Job Description

Lion Federal is seeking a Software Developer Subject Matter Expert to join our on-site team in Chantilly, Virginia. This role centers on modernizing legacy applications, delivering cloud-based solutions, and contributing to scalable, secure software within an Agile environment. A TS/SCI clearance with Full Scope Polygraph is required to work on this program.

Responsibilities

Architect, develop, and maintain software applications in AWS-based cloud environments
Modernize legacy systems and migrate them toward cloud-native architectures
Design and sustain RESTful APIs and full-stack applications
Work with Java, Spring Boot, Angular (TypeScript), and Elasticsearch
Develop and oversee custom ETL pipelines
Create scripts to deploy and configure applications in EC2 environments
Collaborate with cross-functional teams in an Agile/Scrum setting
Conduct unit testing, perform peer code reviews, and execute automated tests (eg, Selenium)
Support containerized and virtualized environments
Mentor junior developers and contribute to engineering best practices

Requirements

Active TS/SCI clearance with Full Scope Polygraph
Bachelor’s degree plus 15+ years of experience, or additional experience may be considered in lieu of a degree
Java
Spring Boot
Angular (TypeScript)
Amazon Web Services (AWS)
Experience delivering solutions based on customer requirements and specifications
Hands-on experience with custom ETL development
Familiarity with Git, Jenkins, Selenium, and Rundeck
Comfortable working in Linux command-line environments
Location: Chantilly, VA (Required)
Top Secret clearance (Required)
Full Scope Polygraph (FSP) (Required)
Java and Spring Boot in an AWS cloud environment: 5 years (Required)
Professional software development: 10 years (Required)

Technologies

AWS
Java
Spring Boot
Angular
TypeScript
Elasticsearch
RESTful APIs
EC2
Git
Jenkins
Selenium
Rundeck
Linux

Benefits

Paid time off
11 paid holidays
401(k) retirement plan with company matching
Comprehensive health, dental, and vision insurance (100% paid by the company)
Direct deposit
Professional development budget

Why Lion Federal

Lion Federal is a fast-growing technology company supporting U.S. federal missions through secure, modern, and scalable solutions. We value strong engineering fundamentals, collaboration, and professionals who enjoy solving complex technical challenges.

Location

Chantilly, Virginia, onsite. This role requires in-person work at the specified location.

Security Clearance

Top Secret clearance with Full Scope Polygraph is required.

Work Location

In person

Education

Bachelor's degree preferred

Experience

Java and Spring Boot in an AWS cloud environment: 5 years (Required)
Professional software development: 10 years (Required)

Job Type

Full-time

Compensation

USD 220,000 - 250,000 per year

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4d ago

Senior .NET Developer

IvoryCloud Rockville, MD

Rockville, MD

4d ago

$120k - $145k/yr Full time Senior .NET .NET Core

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Job Description

IvoryCloud is seeking a Senior .NET Developer to help a federal client rearchitect an existing application, addressing performance gaps and functional issues while streamlining core business processes across mission-critical areas. The role blends hands-on development with design leadership and a migration path to Azure GovCloud, placing security and scalability at the forefront of the effort. Based in Rockville, Maryland, this hybrid position requires regular in-person collaboration, with two days per week spent in the office.

Responsibilities

Provide accurate effort estimates by outlining the technical approach for defect fixes, changes, or new functionality
Develop, document, unit test, and conduct peer reviews of software as required
Collaborate with Business Analysts and Software Testers to ensure complete understanding and fulfillment of requirements
Partner with the development team to support Operations & Maintenance and New Product Development activities
Design and build robust, scalable web applications using Angular, SQL, and ASP.NET
Apply practical experience with complex, enterprise-wide workflow-based systems
Work with the Development team and DOE stakeholders to plan and execute the migration to Azure GovCloud
Engage in code reviews, offering constructive feedback to uphold high-quality code
Develop new system enhancements, change requests, and resolve defects to improve the application
Stay current with industry trends to keep solutions innovative and forward-looking
Optimize and maintain existing codebases for peak performance and scalability
Implement defensive programming practices to enhance security and resilience

Requirements

U.S. citizenship (required)
Active Public Trust or ability to obtain one
Ability to pass multiple federal and local background and employment checks
Hybrid work capability with in-office presence twice per week in Rockville, MD
Bachelor's degree in Computer Science or a related field
Azure: 6+ years of experience
ASP.NET: 6+ years of experience
Blazor: 3+ years of experience

Technologies

Angular, SQL, ASP.NET, .NET Core, .NET
Blazor, HTML, CSS, JavaScript, TypeScript
Node.js, NPM, Webpack, Bootstrap, EF, RegEx, LINQ
Azure GovCloud, Azure Functions, App Services
Docker, Kubernetes, Azure Security Center, Key Vault, VM
API Gateway, OAuth, JWT, Active Directory, RBAC, MFA
OpenAI, TabNine, Copilot, AskSage, Claude
Azure, CI/CD, RESTful API, Git

Benefits

Competitive salary with performance-based bonus opportunities
Single and family health insurance with dental coverage
Short-Term and Long-Term disability
Matching 401(k)
Competitive paid time off
Training and certifications eligible for expense reimbursement
Team-building and social activities
Mentor program to support career development

About IvoryCloud

Driven by team and personal excellence
Committed to becoming a Subject Matter Expert wherever you apply your skills
Flexible thinker who solves problems with both linear and non-linear approaches
Dedicated to exceeding customer expectations and delivering success
Strong focus on coworker growth and team development
Consultative in approach, with customers actively involved in processes and outcomes
Never satisfied with the status quo, always seeking improvements even when things are going well
Eager to contribute to a growing company and help it succeed

Application Questions

Are you able to attend an in-person interview at the Rockville, MD office?
This role requires U.S. citizenship. Do you meet this requirement?
Can you meet the hybrid requirement of two in-office days per week in Rockville, MD?
What is your current security clearance level (None, Public Trust, Secret, Top Secret)?
What is the latest Angular version you are fluent in? You will be tested on this.
Please list your current Azure certifications.
What is your favorite object-oriented design pattern and why?
Do you have any professional AI experience? If yes, where and what was the project?

Work Location

In person

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7d ago

TS Cleared Full Stack Developer with AWS

Amentum Washington, DC

Washington, DC

7d ago

$140k - $180k/yr Full time Backend Developer API APIs

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Job Description

This TS/SCI cleared Full Stack Developer with AWS will support a Washington, DC based law enforcement agency by delivering enterprise cloud software within SCRUM/SAFe agile environments and implementing DevOps practices.

Responsibilities

Write, test, and debug new software features and enhancements to existing applications
Collaborate with technical staff to diagnose and resolve software issues
Address customer feedback and propose software improvements and updates
Assist in creating user manuals and accompanying documentation for software products
Design, test, and implement desktop security lockdown measures; integrate with standard software packages; coordinate with automated patching and deployment tools; produce documentation and deliver training, including automating application and configuration deployments
Contribute to project deliverables and performance metrics where applicable

Requirements

Active TS/SCI Clearance, or TS with SCI Eligibility
Bachelor's Degree in Information Systems Engineering, Computer Science, Engineering, Business, or related field plus eight years of full-stack development experience; degree may be substituted by equivalent experience
JavaScript (ES6 or newer)
React
Tailwind CSS
Material UI
RESTful design and principles
NodeJS
NestJS
NextJS
Express
Npm
Go language
Java 8
SOAP services
Maven
Gradle

Technologies

AWS
JavaScript
React
Tailwind CSS
Material UI
NodeJS
NestJS
NextJS
Express
npm
Go
Java 8
SOAP
Maven
Gradle
Git
Jira
SonarQube
Gitlab SAST
Jest
Mocha
Chai
Confluence

Benefits

401(k) 6% Match
Caregiver leave
Dental insurance
Flexible spending account
Health insurance
Health savings account
Paid holidays
Paid sick time
Paid time off
Parental leave
Prescription drug insurance
Vision insurance

Job Type

Full-time

Salary

USD 140,000 - 180,000 per year

Security Clearance

Top Secret required. Active TS/SCI clearance, or TS with SCI Eligibility, is required.

Work Location

Washington, DC onsite (in person)

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25d ago

SharePoint and PowerApps Developer

Marathon TS Portsmouth, VA

Portsmouth, VA

25d ago

$110k - $120k/yr Full time Power Apps Power Automate Power Platform

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Job Description

Onsite SharePoint and Power Apps Developer supporting Norfolk Naval Shipyard in Portsmouth, VA, requiring a Top Secret clearance and 7+ years of relevant experience.

Responsibilities

Design, deploy, and maintain SharePoint solutions across Online and On-Premises environments, including custom web parts, workflows, lists, libraries, content types, and site collections.
Administer SharePoint environments with duties around user permissions, security controls, and governance practices.
Configure and manage SharePoint sites, document management systems, and collaboration platforms.
Design and automate workflows using SharePoint Designer, InfoPath, and Power Automate.
Develop and sustain Power Apps solutions, covering both Canvas and Model-driven apps.
Build and optimize Power Automate workflows to streamline processes and integrate with data sources such as SQL, SharePoint, and external APIs.
Connect Power Apps to multiple data sources via Dataverse, implementing business rules within applications.
Develop client-side solutions using the SharePoint Framework (SPFx) and modern JavaScript frameworks like React or Angular.
Create integrations for SharePoint and Power Apps using REST APIs, JavaScript, HTML5, CSS3, and jQuery.
Troubleshoot, diagnose, and remediate issues in SharePoint and Power Apps environments, focusing on performance optimization and reliability.
Perform routine maintenance and updates to ensure stability, security, and availability of SharePoint and Power Apps solutions.

Requirements

Education: Bachelor’s degree in Computer Science, Information Technology, Software Engineering, or a related IT discipline.
Experience: 7+ years as a SharePoint or Power Apps Developer, including at least 3 years focused on developing and administering SharePoint solutions and Power Apps.
Alternative qualification: Level II Certification (Security+ or higher) with 7+ years of relevant experience.
Clearance: Active Top Secret security clearance.
Location and on-site work: Onsite in Portsmouth, VA 23709; ability to commute to the facility as required.

Technologies

SharePoint Online
SharePoint On-Premises
SharePoint Designer
InfoPath
Power Automate
Power Apps
Canvas apps
Model-driven apps
Dataverse (Common Data Service)
SharePoint Framework (SPFx)
React
Angular
REST APIs
JavaScript
HTML5
CSS3
jQuery
SQL

Compensation

Salary: $110,000.00 - $120,000.00 per year
Job type: Full-time

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1mo ago

White Force, Scenario Developer

PLEXSYS Nellis AFB, NV

Nellis AFB, NV

1mo ago

$91k - $121k/yr Full time Cloud Data Modeling Flight Simulation

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Job Description

Full-time on-site role at Nellis AFB, NV delivering White Force simulator operations, scenario development, and exercise director support for VTTC MCTS. Requires Top-Secret clearance with access to TS SCI/SAP/SAR and an SSBI completed within the last five years. Salary range USD 91,000 to 121,000 per year. Education requirement: Associate Degree or higher.

Responsibilities

Provide White Force simulator operator support, scenario design, and exercise director assistance on-site for VTTC MCTS.
Serve as a trusted facilitator for simulation scenarios and training exercises.
Apply current Air Force and MCM 3-1 Brevity Code Word Standards, NATO standards, and dialogue per AFI 11-214, AFTTP 3-1, AFTTP 3-3, and ACP 125.
Utilize Fighter Air to Air Tactics and Air to Ground Delivery Tactics; understand Surface to Air Missile types and capabilities.
Oversee simulator operations, receiving and monitoring weapons data for mission scenarios, acting as a friendly pilot, responding to weapons guidance from a weapons director, and maneuvering the simulated interceptor accordingly; also role-play an adversary pilot under current Tactics, Techniques, and Procedures.
Understand how external agencies interact with the E3 and influence scenario flow.
Logically insert downed aviator (Personal Recovery) injects, build civilian background traffic, include UN flights, and other scenario elements.
Assist customers during training sessions to maximize learning outcomes.
Attend Combat Air Force Weapons and Tactics Conferences and briefings.
Orchestrate mission crew scenarios to ensure learning objectives are met.
Participate in pre and post mission briefings and debriefs.
Accept real-time injects and weave them into scenarios to satisfy new or existing DLOs.
Safeguard all classified material in care and control.
Provide simulated mission documents and information required for mission planning, including ATO, ACO, OPTASKLINK, SPINS, and OPLANS.
Offer feedback on suggested customer changes to technical manual procedures.
Design scenarios using current, realistic flying characteristics and capabilities of US and allied platforms.
Develop, produce, update, maintain, and deliver Mission Simulator Training Packages (MSTP) for classified and unclassified events supporting VTTC and AWACS training.
Support AWACS mission simulator event generation as needed.
Be proficient with the latest Air Force mapping tools (JMPS) and apply knowledge of CONUS and overseas missions and exercises.
Provide positional training for mission crews, including academic and hands-on support for IQT, MQT, UGT, and CT; handle special taskings such as equipment tests, higher HQ tasks, and Stan/Eval evaluations.
Utilize ASCOT tools (SDMT, MAP, TD), SPI, PlexSys Sonomarc and PlexComm for communications support.
Collaborate with government Mission Planning Computer, PLEES, AWS-Sim, PAD, and Frequency Management tools.
Support scenario builds for CONUS and overseas missions, exercises, and operation spin-up areas.
Produce and maintain MSTP mission planning materials (classified and unclassified) including scenario scripts.
Maintain the MSTP Catalog file and inventory, tracking trends and identifying improvement opportunities.

Requirements

Current Top-Secret clearance with eligibility for SAP, SCI, and SAR access, or ability to obtain.
Qualification on all required PLEXSYS products within six months of hire.
Associate Degree or higher in a technical field or equivalent technical training in computer systems or a related high-technology discipline.
Strong communication skills, both verbal and written, with internal and external customers.

Technologies

ASCOT SDMT, ASCOT MAP, ASCOT TD
SPI
PlexSys Sonomarc and PlexComm
JMPS
PLEES, AWS-Sim, PAD
Frequency Management tool
Mission Simulator Training Packages (MSTP)

Benefits

Medical, vision, prescription, and dental coverage
Life insurance, accidental death and dismemberment, and long-term disability coverage
Paid holidays, military leave, and paid time off
401k plan with eligibility from day one
Education reimbursement for job-related courses for full-time employees
Annual membership to PriceClub, Costco, or Sam's Club

Desirable

Specialized computer training in mission planning or database management
Seven to ten years of military Aerospace Command and Control experience
Extensive knowledge of AWACS, TACS, and various weapons systems
C2ISR surveillance experience
C2ISR weapons experience
C2ISR Electronic Warfare experience

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1mo ago

Front End and Analytics Developer to Modernize Cybersecurity Systems

CyberBalance, LLC Remote 🌍 Remote

Remote

1mo ago

Full time .NET Core APIs C#

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Job Description

CyberBalance, LLC is offering a full-time, remote Front End and Analytics Developer role focused on modernizing cybersecurity systems. You will collaborate with a Full Stack team to evaluate data flows, user inputs, and design outputs like dashboards and reports. The position accommodates occasional on-site work in Arlington, VA and prioritizes practical UI/UX design, data-driven dashboards, and a collaborative, energetic culture. This role follows a standard 8 hour shift and provides a remote-friendly environment with growth opportunities for qualified professionals.

Benefits

401K safe harbor plan with employer match
Ten paid holidays
15 days of personal time off
Health insurance
Commuter benefits
Tuition benefits

Responsibilities

Collaborate closely with the Full Stack development team to assess data flows, user inputs, and outputs such as dashboards and reports
Apply an eye for design, UI/UX workflows, and visual output expertise to drive the modernization of visual design

Requirements

Current Top Security Clearance (Ability to hold and obtain an Interim will be considered)
3+ years of UI/UX design using CSS and HTML with modern UI concepts such as Bootstrap and materials library
3+ years of analytics and reporting experience building dashboards and reports with tools such as Tableau, SSRS, Crystal Reports, Power BI
3+ years working with Full Stack developers using REST APIs
3+ years of mockups and wireframes with tools such as Figma, InVision
Bachelor’s degree in Computer Science, related discipline, or equivalent experience
Work well within a team environment; high energy and self-motivated with the ability to work independently
Sense of Humor
Front-end development: 3 years (Required)
CSS: 3 years (Required)
Mockup software such as Figma, InVision etc: 3 years (Required)
Security clearance: Top Secret (Preferred)

Technologies

CSS
HTML
Bootstrap
materials library
Tableau
SSRS
Crystal Reports
PowerBI
REST APIs
Figma
InVision
Angular
React
Blazor
Full Stack .NET

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1mo ago

Cloud Developer - Senior (Team 4)

Amentum Washington, DC

Washington, DC

1mo ago

$170k - $185k/yr Full time Python Senior Agile

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Job Description

Benefits and opportunities

This onsite role in Washington, DC 20591 offers a competitive compensation package and a comprehensive benefits portfolio. The annual salary ranges from USD 170,000 to 185,000. You will contribute to mission-focused cloud architecture across multiple enclaves, with emphasis on DevSecOps, automation, and secure cloud migrations. Amentum supports continuous growth through professional development assistance and tuition reimbursement. The position requires a Top-Secret clearance with SCI eligibility and places you in an agile, collaborative environment that accelerates operations through data analytics and enhanced reporting.

Benefits include:

401(k)
401(k) matching
Dental insurance
Employee assistance program
Employee discount
Flexible spending account
Health insurance
Health savings account
Life insurance
Paid time off
Parental leave
Professional development assistance
Tuition reimbursement
Vision insurance

Location and schedule

Location: Washington, DC 20591 onsite.

Work schedule: Typically Monday through Friday, 8 hours per day onsite, with flexibility within a two-week pay period to reach 80 hours.

Responsibilities

Design and implement cloud service delivery models and architecture to support PaaS, IaaS, SaaS, and DaaS.
Automate cloud resources following DevSecOps best practices.
Assess applications to determine which platforms can move, migrate, or be deployed to the cloud across multiple areas.
Provide strategies for failure recovery, cost optimization, and benefit analyses across cloud, cloud agnostic, and on-site services.
Develop and implement cloud applications, migrate on-premises apps to the cloud, debug cloud stacks, govern cloud service usage, evaluate new technology requests, establish a secure cloud environment, and ensure appropriate availability and uptime design.
Work independently to design and develop new software products or major enhancements to existing cloud software.
Apply knowledge across multiple assignments, using originality and innovation to determine how tasks are accomplished.
Operate with substantial latitude in developing methodologies and presenting solutions to problems.
Contribute to deliverables and performance metrics where applicable.

Requirements

Minimum of 10 years of relevant experience
Active Top-Secret clearance with SCI eligibility
Experience with major cloud service providers (AWS, Microsoft, Oracle, IBM, or Google)
Deploying and managing infrastructure as code using tools such as Terraform, CloudFormation, and Azure ARM templates
Implementing and maintaining security best practices for cloud environments
Creating and maintaining comprehensive documentation for cloud architecture, configurations, and processes
Establishing and maintaining monitoring and alerting systems for cloud resources
Optimizing cloud infrastructure for cost efficiency and performance
Troubleshooting and resolving issues related to performance and availability