Sr. GIS Programmer - hybrid
Towson, Maryland
Experience: 0
Category: Information Technology
Contractor Work Model: Hybrid
Brand: System One
Compensation Range: 40.00 - 60.00 Per Hour
Job ID: 379526
Date Posted: 09/09/2026
Shortcut: http://jobs.systemone.com/uW3XhI
Job Title: Sr. GIS Programmer
Location: Towson, MD
Type: Contract
Compensation: Rate Negotiable
Work Model: Hybrid – onsite and remote
Hours: 40.0 hours per week
Security Clearance: Background check required
Responsibilities
• Perform application development and support activities supporting the Office of Information Technology’s GIS Program and the Office of Planning
• Assist in the upgrade and development of an Agricultural Preservation Model, upgrading the current custom ArcMap AddIn (C#/Python) to an ArcGIS Pro AddIn
• Conduct GIS application development in an Enterprise GIS environment
• Perform code review, documentation, planning, and development
• Support database development
Requirements
• Minimum of five (5) years developing and modifying applications using J2EE, .NET, JavaScript, HTML, C#, Python
• Minimum of three (3) years working with ESRI ArcGIS technologies including ArcGIS Server, ArcGIS API’s, ArcGIS JavaScript API, Esri SDK’s, and ArcSDE
• Experience with ArcGIS Model Builder and Python
• Strong knowledge of Structured Query Language (SQL), Triggers, and Stored Procedures
• Experience in development of reports using SSRS, Power BI
• Strong knowledge of relational databases and concepts (Oracle, SQL Server preferred)
• Excellent communication skills
Preferred Qualifications
• Graduation from an accredited college or university with a bachelor’s degree in Business, Computer Science, or a related field and five years’ experience in systems analysis, change management analysis, project management, or related field
• Recent engagement with a government entity
System One, and its subsidiaries including Joulé 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-CB3
#851-Rockville-S1
Ref: #851-Rockville-S1
-
GIS Analyst
Tulsa, OK
Job Title: GIS Technician Location: Tulsa, Oklahoma, United States Type: Contract Compensation: $25.00 - $30.00 Contractor Work Model: Hybrid – onsite and remote Hours: 40.0 Requirements ArcGIS training and experience using Esri ArcGIS Ability to creat...
Date Posted: 08/13/2026 Recommended
-
Senior GIS/AWS Developer/Engineer (onsite)
Washington, DC
Senior GIS/AWS Developer/Engineer Washington, DC – 100% Onsite Per Federal contract U.S. citizenship is required Must be able to obtain Public Trust clearance W2 or C2C Application Deadline: 9/15 The Senior Application Developer/Engineer/Programmer wil...
Date Posted: 09/03/2026 Recommended
-
UI/UX Developer
McLean, VA
Job Title: UI/UX Developer Location: McLean, VA – can work Offsite Type: Contract To Hire Compensation: Not specified Work Model: REMOTE Critical Competencies A critical competency for this role is the ability to leverage agentic AI development tools (...
Date Posted: 09/02/2026 Recommended
-
Software Developer (CNO)
Fort Meade, Maryland
Job Title: Software Developer (CNO) Location: Fort Meade, Maryland Type: Contract To Hire Work Model: Onsite Security Clearance: TS/SCI CI Poly Contact: Crystal.dinnocenti@systemone.com RESPONSIBILITIES Lead the designing, developing, documenting, test...
Date Posted: 07/01/2026 Recommended
-
Senior Full Stack Developer
McLean, VA
Senior Full Stack Developer Remote We are seeking a Senior Full Stack Developer to support a federal cloud modernization and product development effort focused on scalable, secure, cloud-native applications hosted in AWS. This is a remote opportunity s...
Date Posted: 06/22/2026 Recommended
-
AI Software Engineer
20151, Virginia
Job Title: AI Engineer Location: Chantilly, VA Type: Direct Hire / Perm Work Model: Hybrid – onsite and remote Security Clearance: Must possess and maintain a TS Security Clearance with the ability to obtain SCI with a CI Poly We are recruiting for an ...
Date Posted: 07/28/2026 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
-
Lead Full-Stack Developer
McLean, VA
Lead Full-Stack Developer Remote This role supports a federal client and requires the ability to obtain a public trust clearance. No sponsorship is available. We are seeking a Lead Full-Stack Developer to support a major federal modernization initiativ...
Date Posted: 06/22/2026 Recommended
-
Scrum Master
Virginia, VA
Job Title: Scrum Master Location: Virginia, VA Type: Contract Work Model: Hybrid – onsite and remote Responsibilities Coordinate and facilitate Scrum events such as sprint planning, daily stand-ups, sprint reviews, and retrospectives to ensure continuo...
Date Posted: 07/23/2026 Recommended
-
Technical Recruiter
Rockville, MD
Job Title: Technical Recruiter Location: Rockville, MD Type: Direct Hire Compensation: $62,500.00 Work Model: Hybrid – onsite and remote Hours: 40.0 System One is looking for a Technical Recruiter to join our team to support client contracts and job re...
Date Posted: 08/13/2026 Recommended
-
Senior Quality Assurance Automation Engineer
McLean, VA
Job Title: Senior Quality Assurance Automation Engineer Remote – offsite Security Clearance: U.S. citizenship or Green Card status is required, along with the ability to obtain a public trust clearance Responsibilities Lead the planning, design, and ex...
Date Posted: 06/22/2026 Recommended
-
IT Engineer - Network Administrator
Merrifield, VA
Job Title: IT Engineer - Network Administrator Type: Contract Work Model: Remote – offsite Responsibilities Manage and maintain organization's network infrastructure ensuring security, performance, and reliability Configure, upgrade, patch, and trouble...
Date Posted: 09/09/2026 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
-
ServiceNow Developer (TS/SCI clearance)
Suitland, Maryland
ServiceNow developer Suitland, MD – 2-3 days/week onsite TS/SCI clearance is required Job Description: As the top-ranked ServiceNow solution provider, we offer federal agencies the deepest capabilities, resources, and experience for their projects. Joi...
Date Posted: 08/03/2026 Recommended
-
Senior .Net Application Developer (Secret clearance)
Reston, VA
Senior .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: • Works in a collaborative team environment to develop and enhance code for ...
Date Posted: 08/28/2026 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
-
SailPoint IdentityIQ Engineer
Washington, DC
Job Title: Sr Cyber Security Engineer Location: Washington, DC Type: Contract Compensation: $79.55 Work Model: Hybrid Hours: 40.0 Responsibilities Install, configure, and customize SailPoint Identity IQ (IIQ) to support Governance Policies and procedur...
Date Posted: 08/03/2026 Recommended
-
Data Management Specialist II
Washington, DC
Job Title: Data Management Specialist II Location: Washington, DC Type: Contract Compensation: Not specified Work Model: onsite Hours: 40 hours per week Clearance: Public Trust $52.09/hr Responsibilities Administer and support Azure cloud resources, in...
Date Posted: 08/31/2026 Recommended
-
Recruiter
Pensacola, FL
Job Title: Recruiter Location: Pensacola, FL Type: Contract (1 year) Compensation: 30-32/hour W2 Work Model: Hybrid – onsite 3 days a week Hours: 40.0 Overview System One is looking for a Recruiter for a long-term contract role in Pensacola FL. This wi...
Date Posted: 08/26/2026 Recommended
-
Software Integration Engineer
20701, Maryland
Job Title: Software Integration Engineer (All Levels) – Site Reliability Engineering (SRE) Location: Annapolis Junction, MD (onsite) Type: Direct Hire | Hours: 40/week Clearance: Active TS/SCI with FSP About the role We’re hiring Software Integration E...
Date Posted: 07/22/2026 Recommended
-
Operations Research Analyst - TS/SCI
Kirtland AFB, New Mexico
Job Title: Sr. Operations Research Analyst Location: Kirtland AFB, New Mexico Type: Contract To Hire Compensation: $130,000 Work Model: Onsite Hours: 40 hrs a week Clearance: TS/SCI Responsibilities Formulate mathematical or simulation models of proble...
Date Posted: 09/09/2026 Recommended
-
Senior Agile Coach
Vienna, VA
Job Title: Senior Agile Coach Location: Vienna, VA Type: Contract Work Model: Remote – offsite Hours: 40.0 Security Clearance: On-Site Overview Responsibilities Serve as an expert in Scaled Agile Framework (SAFe) practices, coaching and leading teams a...
Date Posted: 07/06/2026 Recommended
-
Software Developer
McLean, VA
Software Developer Practice: Software Development & Support / Digital Company: Guidehouse Location: Remote Security and Work Authorization Requirements • Must be able to obtain and maintain a Federal or Department of Defense Public Trust. • Candidates ...
Date Posted: 08/25/2026 Recommended
-
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
-
Senior Application Developer (AWS/Python) onsite
Washington, DC
Senior Application Developer (AWS/Python) Washington, DC – 100% Onsite Per Federal contract U.S. citizenship is required Must be able to obtain Public Trust clearance W2 or C2C Application Deadline: 9/10 Core Responsibilities: Development & Infrastruct...
Date Posted: 08/28/2026 Recommended
-
Cloud Engineer
20171, Virginia
Job Title: Cloud Engineer Location: Herndon, Virginia Type: Direct Hire Compensation: $200,000.00 - $250,000.00 Work Model: Remote – offsite Hours: 40.0 hours per week Security Clearance: Active Secret Clearance Required Responsibilities Manage, config...
Date Posted: 07/15/2026 Recommended
-
Project Coordinator
Virginia, VA
Job Title: Project Coordinator Location: Virginia, VA Hybrid – onsite and remote Responsibilities Support basic program coordination activities under close supervision by tracking milestones, maintaining documentation, and facilitating communication ac...
Date Posted: 07/26/2026 Recommended
-
AWS Cloud Data Engineer
McLean, VA
Job Title: AWS Cloud Data Engineer Location: McLean, VA Type: Long-term contract Work Model: Remote Hours: 40.0 Security Clearance: Ability to obtain a Federal Public Trust clearance Contact: Crystal.dinnocenti@systemone.com RESPONSIBILITIES Design, bu...
Date Posted: 06/22/2026 Recommended
-
AI Engineer
Washington, DC
Job Title: AI Engineer Location: Washington, DC (Remote) Type: Contract Compensation: $41.85/HR on W2 Security Clearance: Public Trust Responsibilities Build and deploy agentic AI systems capable of autonomous decision-making, tool use, and multi-step ...
Date Posted: 08/12/2026 Recommended
-
Jr. Software Engineer C/C++
Huntsville, AL
LOCATION: Huntsville, AL (100% onsite) TYPE: Contract-to-hire | 40 hrs/week COMPENSATION: $62-67/hr (W2) CLEARANCE: Active Secret clearance (or ability to obtain) OVERVIEW System One is hiring a Software Engineer with strong C/C++ experience to support...
Date Posted: 09/01/2026 Recommended