Long applicationsign-up on iCIMS

Senior Software Engineer

Riverside Research · National Security · Research Institutes · Travel required · Bachelor's Degree · TS/SCI · Python · C · C++ · Fortran · 4 days ago

Smart Apply

Similar jobs

2,079,137open jobs

123,260companies

250,443added this week

Browse all

Salary

≈ $129k – $240k per year (Estimated)

Location

In office (Fairfax)

Seniority

Senior · 8+ years exp

Confirmed on the employer's own hiring board on Oct 31, 2026. First seen by Alion on Oct 26, 2026.

Overview

Company

Impact

Profile match

Riverside Research

Riverside Research is an independent not-for-profit national security research organization headquartered in Arlington, Virginia, that performs research, prototyping and technical advisory work for US defense and intelligence agencies. Founded in 1967, it works across machine learning, trusted and secure systems, optics and photonics, electromagnetics, plasma physics, radar and radio frequency systems and biomedical engineering, with sites in Dayton and Beavercreek, Ohio, Lexington, Massachusetts, Fairfax, Virginia and Champaign, Illinois. It hires cyber security scientists, cryptography and formal methods researchers, remote sensing and RF engineers, software engineers and program managers.

riversideresearch.org · HQ: Arlington, United States · National Security · Research Institutes · 201-500 employees · Est. 1967

Tech stack of Riverside Research

Required Qualifications:

Must be eligible for TS/SCI security clearance and consent to CI Poly
Education and Experience:

Degree in Software Engineering or closely related field with software development experience, like Computer Science or Computational Science
Bachelor's with 8+ years of experience, or
Master's with 6+ years of experience
PhD with 3+ years of experience
Relevant years of experience may be substituted in lieu of a degree.

Strong understanding of software development methodologies (e.g., waterfall, agile), version control (Git), and continuous integration
Previous experience working in R&D environments or collaborating with researchers
Proven proficiency in multiple programming languages (e.g., Python, C, C++, Fortran)
Familiarity with software development activities such as:

Software development on and for Linux and Windows
Front end and GUI development
Python, Unix shell scripting and similar languages
HPC/supercomputing: MPI, OpenMP, threading, GPUs
Research and Development/prototyping scientific code

Excellent communication skills and proven ability to work cross-functionally
Ability to work independently and collaboratively with a team as projects require
Willingness to learn and perform other duties as assigned
Ability to travel (less than 10%)

Desired Qualifications:

Active Security Clearance, TS/SCI (with CI poly preferred)
Proven software engineering best practices experience (such as SWEBOK, CMMI)
Demonstrated professional proficiency with:

Working collaboratively within a team on software development
The full software development lifecycle (SDLC)
Parallel programming on high-performance computers (MPI and/or OpenMP or similar)
Developing cross-platform (Windows and Linux) software
The Atlassian tools (JIRA, bitbucket, Bamboo)

Experience developing software for scientific applications
Familiarity with linear algebra and numerical solutions techniques or numerical algorithms
Proven experience leading and directing the efforts of a team
Prior supervisory experience

Free account

Stop reading job ads. Get the ones that fit.

One free account turns this page into a shortlist built around your stack, your level and your pay.

Match on every job. Stack, seniority, pay and location, scored against your profile.

2,079,137 open roles. Read straight off company career pages, refreshed every day.

Unlimited applications. Every one you send is tracked in one place, on-site or on a company board.

3 tailored CVs a month. Rewritten for the exact job you are applying to. Included free.

Create a free account Continue with Google

Free forever. No card. Under a minute.

Your match

How well do you fit this role?

Two answers are enough for a real match. No account needed.

Check my fit

Answers stay in this browser until you create an account.

Recommended for you based on this role

Backend

Similar stack

Same company

Fairfax

Software Engineer, Security 6 hours ago

$200k – $250k per year · Remote (United States) · Full-Time · 5+ years exp

Python

DevOps

Splunk

GCP

Kubernetes

Cybersecurity

ISO 27001

SOC 2

GDPR

Threat Modeling

SIEM

Apply