Salary
$128k – $234k per year
Location
In office (Dahlgren)
Seniority
Senior
Employment
Full-Time
First seen by Alion on Nov 13, 2026.
Overview
Company
Impact
Profile match
Arcfield delivers innovative mission support and advanced engineering solutions across defense, intelligence, and space sectors—empowering national security through technology, expertise, and dedication.
Backed by Veritas Capital
Arcfield is hiring a Senior Software Developer to build, modify, and sustain enterprise software applications for its customer. The role spans the application lifecycle, from requirements and design through implementation, testing, deployment, and ongoing support.
Responsibilities
- Working from requirements specifications to develop or modify software applications
- Designing, coding, benchmark testing, debugging, and documenting application features and changes
- Reviewing and assessing existing enterprise applications, to support new features, performance improvements, upgrades, and ongoing sustainment
- Participating in performance, load, and stress testing, and remediation of issues identified
- Participating in security architecture reviews of large enterprise systems
- Participating in the development of new systems throughout the entire application lifecycle: requirements analysis & definition, system design, implementation, testing, deployment, and sustainment
- Participating in activities that ensure the successful use of these systems including developing documentation, test scripts, and training materials
- Working in an agile team environment participating in sprint planning, retrospectives, reviews, and daily standups
Skills
- BS 10-12, MS 8-10, PhD 5-7
- Active or Interim DoD SECRET clearance with ability to obtain and maintain a TS/SCI Clearance
- DoDD 8140.01 Information Assurance Management (IAM) Level I certification or higher
- Experience designing, implementing, supporting, and analyzing enterprise scale applications using the following technologies: .NET Core, Angular, JavaScript, C#, and SQL Server
- Proficiency with modern development toolsets including Visual Studio, SQL Server Management Studio, git, unit testing frameworks, and task tracking such as GitLab
- Experience designing, implementing, supporting, and analyzing enterprise scale applications that perform extract/transform/load (ETL) operations with external data sources and SQL Server
- Familiarity with distributed version control tools such as git and mercurial
- Comprehensive knowledge in definition and management of software requirements, design, code, benchmark testing, debugging, software development lifecycle, architecture, and documentation
- Experience with and proficient with at least one of the following Object-oriented programming (OOP) languages: C/C++, C#, Java, or Python
- Experience in Agile software web development and micro services specifically in the following technology areas: + C# / .NET
- Experience in Agile software web development and micro services specifically in the following technology areas: + Angular 2+
- Experience in Agile software web development and micro services specifically in the following technology areas: + TypeScript
- Experience in Agile software web development and micro services specifically in the following technology areas: + PostgreSQL
- Experience working on custom development software projects
- Experience working with DoD customers
- Experience working on cybersecurity projects
- Jenkins
- ElasticSearch
- Big Data cluster
- Continuous Integration / Continuous Development (CI/CD) pipeline
- RedHat, OpenShift, Kubernetes, and Docker
- Automated Testing tools and processes used to support various testing requirements including data, UI, load/performance, security, and contract testing
- Artificial Intelligence and Machine Learning
Benefits
- Depending upon position: Health Insurance
- Depending upon position: Life Insurance
- Depending upon position: Paid Time Off
- Depending upon position: Holiday Pay
- Depending upon position: Short Term and Long-Term Disability
- Depending upon position: Retirement and Savings
- Depending upon position: Learning and Development opportunities
- Depending upon position: wellness programs
- Depending upon position: other optional benefit elections
Company Overview
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