Software Engineer III (S) - SimIS Inc.
Confirmed on the employer's own hiring board on Nov 9, 2026. First seen by Alion on Oct 2, 2026.
ONSITE
Who We Are: Founded in 2007, SimIS Inc. is an innovative information technology solution Veteran Owned Small Business (VOSB) that models future environments, requirements, and capabilities, and then secures the enterprise from internal and external threats compliant with Federal, State, and industry standard governance to ensure client mission success. Our performance standard is "excellence," with an outcomes-based, quality focus in our services and products, guided by our core values of honesty (in word and deed), relationships (confidence and trust with clients and partners), teamwork (shared goals, mission, and purpose), loyalty (allegiance to our client and team), and importance of others (work and win as a team).
SimIS is currently recruiting for the listed position and this position is 100% "Onsite".
Job Description:
The ideal candidate is responsible for independently executing software design and development tasks. Is capable of leading and working as part of an agile team to design, implement and revise software applications. Writes sleek, performant code in a manner consistent with the team's style and best practices. Collaborates with clients and stakeholders in the development of requirements. Stays abreast of the "state of the art" through self and group study. Acts as a mentor to junior staff.
The ideal candidate is responsible for design, development, troubleshooting, debugging, integration and implementation of systems in support of the warfighter. The candidate will be responsible for developing application software, debugging and testing application code, coordinating with the development team, constructing test cases, assisting with software documentation, learning new technical tools required for the role, and complying with hardware and software systems standards and procedures. Performs other related duties as required.
The candidate performs the following specific assignments:
- Develop application software
- Debug and test application code
- Coordinate with the development team
- Construct test cases
- Assist with software documentation
- Use aptitude to learn new technical tools required for the role
- Comply with hardware and software systems standards and procedures
- Develop REST API backends using ASP.NET and/or ASP.NET Core (using C#)
- Develop in Microsoft ASP.NET (using C#)
- Investigate, troubleshoot, and design solutions to problems in operational software
- Bachelor's degree in computer science or related field
- Minimum 5 years of job-related experience
- Minimum 2 years of experience developing REST API backends using ASP.NET and/or ASP.NET Core (using C#)
- Minimum 3 years of experience developing in Microsoft ASP.NET (using C#)
- Experience with a distributed version control system, such as GIT
- Experience with client-side development using JavaScript or TypeScript
- Experience with font-end frameworks such as Vue.js
- Proficient with Back End Development in multi-tiered application using platforms such as C#, T-SQL, ASP.Net core & Entity Framework
- Experience developing Unit Tests such as MSTest, xUnit, or nUnit
- Experience with using Microsoft SQL Server
- Experience working in Agile teams such as scrum
- Experience with Agile and DevOps or DevSecOps software development practices, such as Continuous Integration/Continuous Delivery (CI/CD), Test Driven Development (TDD)
- Security+ CE certification (required within 6 months of hire date)
- Agile methodologies and tools
- DevOps practices and tools
- Experience with DoD software development processes
- Medical, Dental, and Vision
- Short Term Disability (provided at no cost to you) and Long Term Disability
- Life Insurance
- 401(k) Savings Plan
- Flex Spending Accounts
- Tuition Assistance Program
- Professional Development
- Paid Time Off (PTO)
- 11 Federal holidays each year
SimIS, Inc. is an AA / EOE / M / F / Disability / VET / Drug Free Employer