Software Engineer -Mid (Network Focus)

CACI Products Company•Reston, VA

About The Position

Steely is a fast-growing, mission-driven technology company based in Reston, Virginia. The company delivers technical and mission-related solutions and supports employees’ professional growth through leadership training, industry conferences, and mentorship. The Software Engineer will develop software with a network focus, including networking, cybersecurity, or network-security systems. Candidates must be U.S. citizens and able to obtain and maintain a security clearance.

Requirements

At least 3 years of professional software engineering experience.
Bachelor’s degree in Computer Science, Software Engineering, Computer Engineering, or a related field, or equivalent practical experience.
Professional experience developing software in Rust, Java, or another strongly typed programming language, with the ability to learn and work effectively in Rust.
Experience developing, troubleshooting, and deploying software on Linux.
Experience with Docker and containerized applications.
Strong software engineering fundamentals, including testing, debugging, error handling, data structures, and maintainable software design.
Experience with Git and collaborative software development practices, including code reviews.
Experience with GitLab or a similar software development platform, including issue tracking and merge requests.
Working knowledge of computer networking, including IP, TCP, UDP, routing, and client/server architectures.
Experience using Linux networking tools such as ip, ss, and ping.
Ability to work independently on moderately complex software tasks and collaborate effectively within a development team.
Ability to obtain and maintain a security clearance; U.S. citizenship is required.

Nice To Haves

Professional Rust experience developing production-grade systems or network-oriented software.
Familiarity with TCP/IP, UDP, TLS, DNS, HTTP/HTTPS, routing, NAT, and VPN technologies.
Familiarity with cryptography and PKI, including encryption, hashing, certificates, and public/private key concepts.
Experience with packet capture, traffic analysis, or troubleshooting tools such as tcpdump and Wireshark.
Experience with OIDC/OAuth 2.0, authentication, authorization, or identity providers.
Experience with multithreaded, concurrent, or asynchronous programming.
Experience with automated unit, integration, and end-to-end testing.
Experience with CI/CD, particularly GitLab CI/CD.
Experience with performance testing, profiling, or optimization.

Responsibilities

Develop production-grade software, particularly in Rust or another strongly typed programming language.
Develop networking, cybersecurity, or network-security software.
Build and support REST APIs, backend services, or web applications.
Develop and troubleshoot software on Linux and deploy containerized applications using Docker.
Use networking and traffic-analysis tools to troubleshoot network behavior.
Implement authentication, authorization, or identity-provider integrations.
Develop concurrent or asynchronous software.
Create and maintain automated unit, integration, and end-to-end tests.
Use CI/CD workflows and conduct performance testing, profiling, or optimization.
Collaborate through Git-based development, code reviews, issue tracking, and merge requests.
Work independently on moderately complex software tasks and collaborate with the development team.