Software Developer

Washington, District Of Columbia

Apply Apply with LinkedIn
Save

Type: Direct-Hire

Experience: 0

Category: Information Technology

Contractor Work Model: Onsite

Brand: System One

Compensation Range: 140000.00 - 180000.00

Job ID: 347563

Date Posted: 09/24/2026

Shortcut: http://jobs.systemone.com/yVZFLx


Title: Software Developer
Location: Washington, DC
Clearance: Active Secret clearance/Top-Secret preferred
Type: Direct Hire
Contact: Crystaldinnocenti@systemone.com

Successful Software Developer's demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software deployments, and working closely with customers. This role requires a combination of technical skills, strong communication, and the ability to quickly turn ideas into production-caliber code. This role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer, including the potential for occasional short-term travel to customer locations across the United States. This position requires an active Secret clearance.

RESPONSIBILITIES
Providing direct support to the multiple customers, this Forward Deployed Engineer will:

  • Work closely with customers to integrate the LIGER GenAI platform into their existing business processes.
  • Build new functionalities and enhancements within the LIGER platform to meet specific customer needs.
  • Ensure successful deployment and initial configuration of the LIGER platform, supporting customers for 60-180 days post-sale before transitioning the deployment to a long-term project team.
  • Engage directly with customers in various formats, including in-person, hybrid, or remote work as required by the customer.
  • Conduct proof-of-concept demonstrations to showcase LIGER’s capabilities and its value to potential and existing customers.
  • Develop and maintain a deep understanding of the LIGER platform’s capabilities and limitations to guide solution development.
  • Provide technical consulting, guidance, and support throughout the integration and deployment phases.
  • Rapidly build new features into or around LIGER’s core platform to meet customer-specific needs and feedback. Work closely with the core product team to integrate new features into the product.
  • Document and communicate customer requirements and feedback to ensure continuous improvement and alignment with customer priorities.
  • Assist in troubleshooting and resolving deployment issues, providing timely and effective solutions.
  • Travel occasionally to customer locations within the United States for direct engagements and support.
  • Work collaboratively with internal teams, including product management, engineering, and support, to deliver seamless solutions to customers.

MINIMUM QUALIFICATIONS:
  • Active Secret clearance
  • Advanced proficiency in Python.
  • Extensive experience with PostgreSQL.
  • Hands-on experience with LLMs, NLP, and related AI technologies solving real problems
  • Proven experience working with the MEAN Stack and full-stack development in TypeScript.
  • Experience with Angular and developing web applications.
  • Strong knowledge of containerization technologies (e.g. Docker) and CI/CD pipelines, specifically with GitLab.
  • Familiarity with cloud computing deployment models, especially AWS GovCloud and/or working within a DoD or federal environment.
  • Demonstrated ability to integrate software solutions with existing business processes, including the ability to interact effectively with APIs.
  • Knowledge of software development, lifecycle, and security principles.
  • Excellent communication and interpersonal skills, with the ability to interact effectively with multiple stakeholders, including senior executives from government and industry.
  • Ability to manage multiple tasks in a fast-paced environment and prioritize effectively.
  • Willingness and availability for occasional travel based on project requirements.

DESIRED SKILLS
  • TOP SECRET clearance preferred.
  • Proven ability to work quickly and independently as part of a small team of engineers to deliver high-quality, tailored solutions.
  • Experience in sales engineering within the federal government sector, with a deep understanding of federal customers' unique challenges and requirements.
  • Expertise in developing strategic relationships with key stakeholders and fostering long-term customer partnerships.
  • Ability to clearly communicate the value and benefits of technical solutions to non-technical audiences.
  • Ability to provide strategic input on product enhancements and development based on market trends and customer feedback.
  • Familiarity with DoD Cybersecurity requirements and vulnerability management concepts.
  • Experience with continuous integration and continuous deployment (CI/CD) pipelines and utilizing tools such as GitLab.
  • Familiarity with container orchestration engines such as Kubernetes (e.g., EKS, AKS, GKE, Kops, OpenShift).
  • Proficiency with MCP Server and experience building MCP tools.
  • Hands-on experience in containerizing applications.
  • Strong background in Unix/Linux operating systems.
  • High energy, enthusiasm, and the ability to effectively interact with senior executives from both government and industry.
  • Experience with leadership management and providing issue resolution and expert guidance to teams.
  • Knowledge of AWS products and capabilities, with specific experience in GovCloud environments.


System One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

#M1
#LI-CD1


Ref: #851-Rockville-S1

  • User Activity Monitor (UAM) Engineer

    Lorton, VA

    Job Title: User Activity Monitor (UAM) Engineer Location: Springfield/Alexandria. (onsite) Type: Contract To Hire Compensation: $80.50 - 96.15/HR on W2 Security Clearance: Top Secret/SCI Responsibilities Support the User Activity Monitor Software solut...

    Date Posted: 08/18/2026 Recommended

  • Sr DevSecOps Engineer

    Fort Meade, Maryland

    DevSecOps Generalist Clearance: Secret Clearance or Higher Location: Ft Meade, Hybrid (3 days a week on-site) Travel: 10% Position Type: Full-Time, direct hire Compensation Range: $120K-$140K annually, plus benefits Company Overview: System One IT is s...

    Date Posted: 09/21/2026 Recommended

  • Senior Software Engineer

    Fort Belvoir, Virginia

    Staff Software Engineer, Defense Applications Location: Fort Belvoir, Virginia - Onsite Openings: 2 Clearance Requirement: Must have an active Secret clearance Employment Type: Direct hire or temp to perm Position Overview System One IT is seeking two ...

    Date Posted: 09/02/2026 Recommended

  • Sr. Salesforce Developer - Lafayette, LA

    Lafayette, Louisiana

    Job Title: Sr. Salesforce Developer Location: Lafayette, Louisiana Type: Direct Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Security Clearance: Not specified Overview We are seeking a Senior Salesforce Developer to lead development efforts ...

    Date Posted: 09/21/2026 Recommended

  • Sr. Salesforce Developer - Columbia, SC

    Columbia, South Carolina

    Job Title: Sr. Salesforce Developer Location: Columbia, SC Type: Direct Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Security Clearance: Not specified Overview We are seeking a Senior Salesforce Developer to lead development efforts within a...

    Date Posted: 09/21/2026 Recommended

  • Sr. Salesforce Developer - Birmingham, AL

    Birmingham, Alabama

    Job Title: Sr. Salesforce Developer Location: Birmingham, AL Type: Direct Hire Work Model: Hybrid – onsite and remote Hours: 40.0 Security Clearance: Not specified Overview We are seeking a Senior Salesforce Developer to lead development efforts within...

    Date Posted: 09/21/2026 Recommended

  • Sr. Systems Engineer

    Gaithersburg, VA

    Job Title: Sr. Systems Engineer Location: Gaithersburg, MD – On-site Type: Contract-to-Hire Security Clearance: Active Top Secret/SCI with the ability to successfully pass a Polygraph examination. Contact: Crystal.dinnocenti@systemone.com RESPONSIBILIT...

    Date Posted: 09/23/2026 Recommended

  • (v) Software Engineer – FACETS Extensions / Application Development

    Baltimore, Maryland

    Software Engineer – FACETS Extensions / Application Development Location: Baltimore, MD (DMV Area – Baltimore, MD or Washington, DC) Type: Contract-to-Hire Work Model: Hybrid (Onsite & Remote) Hours: 40 Hours/Week (EST) Overview Our Client is embarking...

    Date Posted: 07/20/2026 Recommended

  • Lead .Net Developer (Secret clearance)

    Reston, VA

    Lead .Net Developer Arlington, VA or Merrifield, VA - ONSITE Secret Clearance is required to start Must be able to obtain DEA clearance – 2-6 month process Responsibilities: • Lead a team of 5-7 developers in support of the mission with an ability to g...

    Date Posted: 08/28/2026 Recommended

  • Technical Systems Analyst

    Arlington, VA

    Senior Technical Systems Analyst 6 Month Contract to Hire Active Secret Clearance or higher 4 days a week on-site, Arlington, VA Hourly Rate: $75/hr to $80/hr. W2. Benefits available Overview System One is seeking an experienced Technical Systems Analy...

    Date Posted: 08/28/2026 Recommended

  • SEIT TIDES - Software Engineer

    Scottsdale, Arizona

    Job Title: SEIT TIDES Software Engineer Location: Scottsdale, AZ Type: 2 + year contract w/chance of extensions and/or perm rollover Work Model: candidates must be local and willing to work onsite. There is some remote flex depending on manager’s discr...

    Date Posted: 09/16/2026 Recommended

  • Full Stack C/C++ Developer - Aerospace & Defense Systems

    Huntsville, AL

    Job Title: Full Stack C/C++ Developer – Aerospace & Defense Systems Location: Huntsville, AL (Onsite) Type: Contract-to-Hire Pay (W2): $77-82/HR Clearance: Active Secret clearance (or ability to obtain) Overview Join a team building and supporting miss...

    Date Posted: 08/31/2026 Recommended

  • Databricks Solution Architect

    Dallas, Texas

    Job Title: Databricks Solution Architect Location: Dallas, Texas Type: Direct Hire Work Model: Hybrid – onsite and remote Overview We are seeking a strategic Databricks Solutions Architect to lead the design and implementation of modern data and AI sol...

    Date Posted: 09/19/2026 Recommended

  • Senior DevSecOps Engineer

    Lafayette, Louisiana

    Job Title: Senior DevSecOps Engineer Locations: Lafayette, LA | Knoxville, TN | Birmingham, AL | Columbia, SC Type: Direct Hire Work Model: Hybrid Hours: 40.0 Security Clearance: Not specified in the provided information or job description Overview Lea...

    Date Posted: 09/23/2026 Recommended

  • Senior Product Designer (Secret Clearance) onsite

    Newport News, Virginia

    Senior Product Designer Secret clearance required to start Newport News, VA - onsite System One is seeking a Senior Product Designer to shape the applications, workflows, and user experiences supporting a U.S. Army enterprise data environment. You will...

    Date Posted: 09/14/2026 Recommended

  • Jr. Software Test Engineer

    Huntsville, AL

    Job Title: Jr. Software Test Engineer (Contract-to-Hire) Location: Huntsville, AL (On-site) Security Clearance: Active Secret preferred OR ability to obtain Pay Rate: $62-68/hr (W2) About the role Join a team supporting defense/tactical systems where y...

    Date Posted: 09/01/2026 Recommended

  • Unix/Linux Administrator

    Washington DC, Maryland

    Senior UNIX Linux Systems Engineer Washington, DC Hybrid – On-Site 2 days per week Hourly Rate: $75/hr. W2 Benefits Available Conversion Salary: Up to $150,000 annually, plus benefits Federal End Customer – US Citizenship Required Clearance: Public Tru...

    Date Posted: 09/09/2026 Recommended

  • Senior Software Engineer C#

    Merrifield, Virginia

    Senior Software Engineer C/C++ or C# Software Engineer Direct-Hire Location: Merrifield, VA – 4 days on-site/ 1 day remote Annual Salary Range: $105,000 to $120,000 plus benefits Federal End Customer: US Citizenship, eligibility for a Public Trust clea...

    Date Posted: 09/08/2026 Recommended

  • Mid-Level Backend Software Engineer

    Gaitherburg, Maryland

    Job Title: Mid-Level Backend Software Engineer-TS/SCI Location: Gaithersburg, MD Type: Contract To Hire Compensation: Work Model: Onsite Hours: 40.0 Security Clearance: Top Secret/SCI Overview Active TS/SCI Security Clearance required with the ability ...

    Date Posted: 09/23/2026 Recommended

  • ServiceNow Developer

    Melbourne, FL

    Job Title: ServiceNow Developer Location: Melbourne, FL Overview System One is seeking a ServiceNow Developer for a long-term opportunity in Melbourne , FL. This individual will play a key role in designing, developing, and maintaining ServiceNow solut...

    Date Posted: 08/26/2026 Recommended

  • ServiceNow Developer

    Miramar, FL

    Job Title: ServiceNow Developer Location: Miramar, FL Overview System One is seeking a ServiceNow Developer for a long-term opportunity in Miramar, FL. This individual will play a key role in designing, developing, and maintaining ServiceNow solutions ...

    Date Posted: 08/26/2026 Recommended

  • UI/UX Developer

    Gaitherburg, VA

    Job Title: UI/UX Developer Location: Gaithersburg, MD Type: 6 months + Contract To Hire Work Model: Onsite Security Clearance: Top Secret/SCI with the ability to successfully pass a Polygraph examination Essential Responsibilities UI/UX Design & Implem...

    Date Posted: 09/23/2026 Recommended

  • Sr. Software Developer

    Gaitherburg, VA

    Senior Software Engineer Location: Gaithersburg, MD Schedule: Full Time Work Arrangement: Onsite Travel Required: No Shift: Day Clearance Required: Active Top Secret/SCI with the ability to successfully complete a polygraph examination Position Overvie...

    Date Posted: 09/23/2026 Recommended

  • Mid Level Software Engineer C#

    Merrifield, Virginia

    Mid-Level Software Engineer C/C++ or C# Software Engineer Direct-Hire Location: Merrifield, VA – 4 days on-site/ 1 day remote Annual Salary Range: $95,000 to $105,000 plus benefits Federal End Customer: US Citizenship, eligibility for a Public Trust cl...

    Date Posted: 09/08/2026 Recommended

  • Palo Alto Firewall Engineer

    Springfield, VA

    Job Title: Palo Alto Firewall Engineer Location: Springfield, VA Type: Contract To Hire Compensation: $80/hr. W2 Benefits available Conversion Salary: $150,000 annually plus benefits Work Model: Onsite Security Clearance: Active TS/SCI clearance and th...

    Date Posted: 08/25/2026 Recommended

  • Information Systems Security Engineer (ISSE)

    Hanscom AFB,, MA

    Job Title: Information Systems Security Engineer (ISSE) Location: Hanscom AFB, MA Type: Contract To Hire Compensation: $180,000.00 - $195,000.00 Work Model: Onsite – onsite Hours: 40 hrs a week. Security Clearance: Must have active Top Secret clearance...

    Date Posted: 09/23/2026 Recommended

  • Software Packaging Engineer

    Merrifield, VA

    Software Packaging Engineer 6 month+ Contract Hybrid, 3 days/week onsite in Vienna, VA W2 Hourly Rate: $60/hr. range Description We are seeking an experienced Software Packaging Engineer contractor to support our client’s EUC Software Delivery Enhancem...

    Date Posted: 08/27/2026 Recommended

  • IT Applications Professional - EAM

    Tulsa, Oklahoma

    Job Title: IT Applications Professional - EAM Location: Remote Successful candidates must be able to provide proof of ability to work in the U.S. without sponsorship. This position is not open to corp-to-corp, subcontractor or independent consulting ar...

    Date Posted: 09/21/2026 Recommended

  • Configuration Manager / Drafter / Designer

    Lynnwood, WA

    Job Title: Configuration Manager / Drafter / Designer Location: Lynnwood, WA (onsite) Type: Contract Compensation: $69.83/HR on W2 Security Clearance: Secret security clearance is required. Must be US Citizen. Responsibilities Create, update, and manip...

    Date Posted: 09/22/2026 Recommended

  • Mid - Senior Level Software Development Engineer in Test

    Merrifield, VA

    Job Title: Mid - Senior Level Software Development Engineer in Test Location: Vienna, VA Work Model: Hybrid – 3 days/week onsite, rest remote Type: Multiyear Contract Description: Top Skills: Full Stack SDET (Front-End and Back-End Automation Test Exp ...

    Date Posted: 08/20/2026 Recommended