Logo for By Light Professional IT Services

Senior Software Engineer

Role overview

Qualifications

  • 5+ years of professional software development experience
  • Strong experience building backend applications, services, or REST APIs
  • Active TS/SCI clearance
  • Strong proficiency in at least one or two programming languages

Responsibilities

  • Design, develop, test, and maintain backend services, microservices, and REST APIs
  • Develop software using modern programming languages such as TypeScript, Go, Python
  • Integrate software with virtualized and cloud infrastructure
  • Collaborate with software engineering, DevOps/DevSecOps, and other teams throughout the development lifecycle

Key facts

Hard skills

Other skills

  • Collaboration
  • Problem Solving

About the company

By Light Professional IT Services logo

By Light Professional IT Services

IT Services & IT Consulting

By Light Professional IT Services LLC (By Light) provides a full range of hardware and software engineering services to defense, civilian, and commercial customers worldwide. Driven by a management team that leverages real-world expertise from the defense, intelligence, federal healthcare, and commercial sectors, we provide reliable, efficient, and cost-effective IT solutions.Some of our successes include:• Completion of 80+ Global Information Grid Bandwidth Expansion (GIG-BE) sites both CONUS & OCONUS. Provided Optical Network Engineering, Implementation, & Project Control Worldwide.• Provided timely completion of ATM to IP Migration, Legacy Network Optimization, & VOIP Implementation of 47 CONUS Sites for the United States Special Operations Command (USSOCOM) SCAMPI Network.• Supporting the AMC CIO/G6 in the Depot Modernization Program, implementing CONUS wide 802.11/a/b/g/n wireless networks, Area Processing Center Migration, DISN Optimization, and a 40,000 user, enterprise-wide SharePoint Implementation.• Completion of 2,000 Plus Legacy Circuit Migrations to DISN Transport for DISN Transition Program.• Delivered Communications Support & Staff Augmentation for Deployed DoD Forces under the Program Executive Office Enterprise Information Systems Technology Applications Office (PEO EIS TAO).• Successful Implementation of Secure Intelligent Video Systems (IVS) for the Intelligence Community.• Supporting major international carriers in the modernization and expansion of Data Center Facilities.• Engineering new Turnkey “Cloud Services,” including Hosting, Managed Services, COOP, and Data Storage and Archival.

Company details

Company typeLarge
IndustryIT Services & IT Consulting
Company size1001 - 5000

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Job description

Company Overview:

By Light Professional IT Services LLC readies warfighters and federal agencies with technology and systems engineered to connect, protect, and prepare individuals and teams for whatever comes next. Headquartered in McLean, VA, By Light supports defense, civilian, and commercial IT customers worldwide. 

Position Overview:

We are seeking an experienced Software Engineer to support USCYBERCOM J9 and the Persistent Cyber Training Environment (PCTE) / RangeOS mission.

This role is best suited for a strong software engineer who enjoys building backend services and REST APIs, working with Kubernetes and cloud-based infrastructure, and troubleshooting complex distributed systems. The ideal candidate will bring depth in one or more programming languages and be comfortable learning additional technologies as needed.

Experience with every technology listed below is not required. We are looking for strong engineering fundamentals, technical curiosity, solid debugging skills, and the ability to learn and contribute in a collaborative development environment.

Responsibilities:
  • Design, develop, test, and maintain backend services, microservices, and REST APIs supporting cyber training and range capabilities.
  • Develop software using modern programming languages such as TypeScript, Go, Python, or similar technologies.
  • Build and support applications deployed within Kubernetes-based environments.
  • Integrate software with virtualized and cloud infrastructure, including environments using AWS or comparable cloud platforms.
  • Develop and maintain infrastructure using Infrastructure-as-Code (IaC) technologies such as Terraform, Ansible, Pulumi, or similar tools.
  • Troubleshoot and debug application, infrastructure, integration, and deployment issues across distributed environments.
  • Develop and maintain automated unit, integration, and end-to-end tests to support reliable software delivery.
  • Collaborate with software engineering, DevOps/DevSecOps, infrastructure, networking, and cyber teams throughout the development lifecycle.
  • Contribute to capabilities supporting PCTE, RangeOS, and related Joint Cyber Warfighting Architecture (JCWA) initiatives.
  • Participate in technical planning, design discussions, code reviews, and continuous improvement efforts.
  • Provide technical or project leadership when appropriate based on experience.
Required Experience/Qualifications:

Experience in one or more of the following areas is highly valued but is not required in every category:

  • TypeScript and/or Go (Golang) development.
  • Designing and implementing REST APIs and distributed backend services.
  • Kubernetes, including application deployment, configuration, troubleshooting, or platform integration.
  • Virtualization technologies such as KVM, VMware, Hyper-V, or similar platforms.
  • Cloud platforms such as AWS, Azure, GCP, or comparable environments.
  • Infrastructure-as-Code tools such as Terraform, Ansible, Pulumi, CloudFormation, or similar technologies.
  • Modern frontend technologies such as React, Angular, Vue, TypeScript, HTML, or CSS.
  • Automated testing frameworks and test-driven development practices.
  • Networking concepts, protocols, configuration, or troubleshooting.
  • DevOps or DevSecOps practices, including CI/CD pipelines and automated deployment.
  • Designing, deploying, supporting, or maintaining cyber ranges, training environments, or virtualized lab environments.
  • Technical leadership, project leadership, mentoring, or ownership of software capabilities.
  • Experience supporting PCTE, RangeOS, LevelUP, Unified Platform (UP), JCWA, or related DoD cyber programs.
  • Familiarity with USCYBERCOM missions, cyber training environments, or operational workflows.
  • Experience with Kubernetes APIs, client-go, custom controllers, or Kubernetes operators.
Preferred Experience/Qualifications:
  • 5+ years of professional software development experience.
  • Strong experience building backend applications, services, or REST APIs.
  • Strong proficiency in at least one or two programming languages. Experience with TypeScript and/or Go is preferred, but engineers with strong experience in other languages who are willing to learn are encouraged to apply.
  • Experience working with Kubernetes or similar container orchestration technologies.
  • Experience with containerized applications using technologies such as Docker.
  • Strong debugging, troubleshooting, and problem-solving skills.
  • Experience working collaboratively within modern software development, Agile, DevOps, or DevSecOps environments.
Special Requirements/Security Clearance:
  • Active TS/SCI clearance.
Salary Range:

Salary Minimum: $120,000

Salary Maximum: $200,000

The annual base salary provided is a guideline for this position and is not a guarantee of compensation or salary. When extending an offer, By Light also considers other variables such as (but not limited to) work experience, education, training, skill set, internal peer equity, clearance level, and market conditions. In addition, By Light provides an extensive selection of benefits and offerings to our employees.

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Marcus Rivera

Chief Revenue Officer

m.rivera@company.com
linkedin.com/in/marcusrivera
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