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System Developer

We are an employee-centric company that truly appreciates our team members and their value to our customers and the missions they support. We pride ourselves on being forward-leaning thinkers and fostering teams that are and continue to be technically proficient and technically capable across a comprehensive range of cyber mission areas. OneZero full-time employees receive an extremely competitive benefits package that includes health/dental/vision/life insurance plans, 401K with company matching, PTO & paid holidays, employee referral program, and educational assistance. Additional details can be found on our website at:

Position Title: System Developer

Location: Portsmouth, NH

Clearance: Secret

Provides Tier 3 applications development support in an Agile environment by providing services to ensure effective Development, Maintenance, and Enhancements (DME) to mission specific Center applications. Additionally support installation/configuration, operation, and maintenance of applications software and related infrastructure. Participate in technical applications and knowledge base development. Ensure that system hardware, operating systems, software systems, and related procedures adhere to organizational requirements, including local / enterprise configuration control and information security planning and operational requirements. Assist project teams with technical issues in execution, testing, roll-out and maintenance of applications. Participate in projects to ensure smooth transition of initiatives from development and modernization/upgrade efforts to production, by performing operations support activities as required.


  • Development, Maintenance, and Enhancements (DME) of mission specific Department of State applications. Applications are currently functioning in a hybrid database environment (mostly SQL and Oracle).
  • Import/Export data into the database and then use the capability of the database to generate reports and manage the workflow. The database is large, and the data received is not always clean (so there is an ongoing data cleansing need)
  • Manage Team and coordinate with customer leadership to ensure applications operate effectively with external systems. Efficient data transfer to/from large and small DoS and other Agency systems is critical. Basic understanding of related technologies from Excel spreadsheets to Multi-terabyte Oracle databases is relevant.
  • Tier 3 Support providing solutions to escalated problems with production applications
  • Document fixes in knowledge base articles as appropriate
  • Review and maintain compliance with Department of State Information Assurance policies.
  • Skills:

    • Working technical knowledge of programming languages focusing on Web Development, including HTML/CSS/JS, AJAX, WSDL, and modern application frameworks like Angular or React.
    • Hands on knowledge and experience working in integrated development environments.
    • Hands-on software troubleshooting knowledge and experience.
    • Knowledge and experience with specific phases of the software development life cycle, especially in requirement analysis, design, development, integration and test, and implementation.

    Additional exposure would be preferred:

    • Technical knowledge of other programming languages, including Microsoft ASP.NET, VB.NET, C#, and VB6
    • SQL-related languages and features.


    • Application Development using web technologies such as HTML, CSS, and JavaScript
      • js preferred
    • Design and implement client/server applications
    • Learn Full-stack technology:

Salary Range
$80,000.00 - $105,000.00
per Year
Salary range estimated by
salary estimation provided by zippia
Portsmouth, NH, 00215, US