Senior Software Developer (Clearance Required)

Noblis; Reston (VA); Hybrid; USD 146,200 - 228,400; Full time

Job summary

Noblis seeks an experienced Software Developer in Reston, VA, to collaborate with federal clients on mission‑critical national security initiatives. You will design, develop, and deliver innovative software solutions with a multidisciplinary team across development, data science, and cyber analytics.

The role emphasizes rapid delivery, code quality, and client collaboration in a dynamic, mission-focused environment.

Qualifications

• Active Top Secret/SCI clearance with a current Polygraph
• Bachelor’s degree with 8 years of related experience; OR Master’s degree with 6 years; OR associate’s degree with 11 years; OR High School diploma/GED with 14 years of related experience
• Proficiency in Python, Java, or JavaScript with production-grade code experience
• Relational and/or NoSQL databases (PostgreSQL, MySQL, Oracle, MongoDB) with data modeling & query optimization
• Strong testing methodologies: unit/integration/automated tests
• Experience across the full SDLC from requirements to maintenance
• Proficiency with Git-based version control and PR workflows
• U.S. Citizenship is required

Responsibilities

• Apply state-of-the-art technologies to solve complex technical and mission challenges.
• Develop cutting-edge solutions that improve system performance, reliability, scalability, and distributed processing capabilities.
• Design, build, and enhance applications that support evolving client needs.
• Work in an Agile environment to rapidly iterate, collaborate, and deliver impactful solutions for our clients.

Skills

Python

Java

JavaScript

SDLC

Unit testing

Clearance TS/SCI

US Citizenship

Education

Bachelor's degree + 8 years

Master's degree + 6 years

Associate's degree + 11 years

High School diploma/GED + 14 years

Tools

PostgreSQL

MySQL

Oracle

MongoDB

Docker

Kubernetes

AWS

Job description

Responsibilities

Noblis is seeking an experienced Software Developer with an active TS/SCI with a Polygraph to support mission‑critical national security initiatives in Reston, Virginia.

As a Software Developer on our team, you will collaborate with federal clients to rapidly design, develop, and deliver innovative solutions that address their most pressing mission challenges. You will work alongside a multidisciplinary team of developers, data scientists, subject matter experts, and cyber analysts to design and build new applications, enhance existing systems, and integrate emerging technologies.

In this role, you will analyze client challenges, identify opportunities for improvement, and apply modern tools and technologies to develop effective, mission‑focused solutions. Your responsibilities will include software development, debugging, system integration, and collaborating in a team‑oriented environment. You will also regularly communicate with teammates, technical leads, and clients to provide project updates, share progress, and ensure alignment with mission objectives.

Job Responsibilities

• Apply state‑of‑the‑art technologies to solve complex technical and mission challenges.
• Develop cutting‑edge solutions that improve system performance, reliability, scalability, and distributed processing capabilities.
• Design, build, and enhance applications that support evolving client needs.
• Work in an Agile environment to rapidly iterate, collaborate, and deliver impactful solutions for our clients.

Required Qualifications

• Active Top Secret/SCI (TS/SCI) clearance with a current Polygraph
• Bachelor’s degree with 8 years of related experience; OR Master’s degree with 6 years of related experience; OR associate’s degree with 11 years of related experience; OR High School diploma/GED with 14 years of related experience
• Proficiency in one or more programming languages: Python, Java, or JavaScript, with demonstrated experience developing clean, maintainable, and production‑ready code.
• Hands‑on experience with relational and/or NoSQL databases, including PostgreSQL, MySQL, Oracle, or MongoDB, with knowledge of schema design, data modeling, and query optimization.
• Strong understanding of software testing methodologies and quality assurance best practices, including unit testing, integration testing, and automated testing frameworks.
• Proven experience throughout the full Software Development Lifecycle (SDLC), from requirements analysis and design through implementation, deployment, and ongoing maintenance.
• Proficiency with Git‑based version control systems, including experience with branching strategies, pull request workflows, and code review practices.
• U.S. Citizenship is required

Desired Qualifications

• Proven ability to manage and contribute to multiple concurrent projects while maintaining high‑quality deliverables, meeting deadlines, and effectively prioritizing competing requirements.
• Experience with containerization and orchestration technologies, including Docker and Kubernetes, to support scalable and reliable application deployments.
• Hands‑on experience deploying, configuring, and maintaining applications in cloud environments, such as AWS, Azure, or Google Cloud Platform (GCP).
• Working knowledge of Python web frameworks, including FastAPI and Flask, for developing RESTful APIs, microservices, and scalable backend solutions.
• Demonstrated ability to work across the full technology stack, with the flexibility and willingness to learn, adopt, and apply new technologies as project needs evolve.
• Experience working in Agile development environments, including sprint planning, daily standups, backlog refinement, and iterative delivery practices.
• Advanced proficiency in Python 3, including modern language features, type hinting, and package management best practices.

Overview

Noblis and our wholly owned subsidiaries, Noblis ESI and Noblis MSD, take on some of the nation’s toughest challenges, delivering advanced solutions to our customers’ most critical missions. We bring together leading scientific, engineering, and management expertise in a culture grounded in objectivity and collaboration, ensuring our work creates lasting impact across federal missions.

We work with a broad range of government agencies in the defense, intelligence, and federal civilian sectors. Learn more and find opportunities at careers.noblis.org (https://careers.noblis.org/about-noblis/)

Remote/hybrid status is subject to change based on Noblis and/or government requirements.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to race, color, ethnicity, sex, age, national origin, religion, physical or mental disability, pregnancy/childbirth and related medical conditions, veteran or military status, or any other characteristics protected by applicable federal, state, or local law.

If reasonable accommodation is needed to participate in the job application or interview process, to perform essential job functions, and/or to receive other benefits and privileges of employment, please contact us (https://noblis.org/contact).

EEO is the Law

EEO is the Law (https://www.dol.gov/general/topic/discrimination) | E‑Verify (https://assets.cms.talentplatform.us/zhu9bbm0ym8duz1a5mj8osb7/attachments/iawiyhl3wfqccbsgnpticdz3-federal-e-verify-participation-poster-eng-and-sp-9-11-2024.pdf) | Right to Work (https://www.justice.gov/crt/case-document/file/1133936/download)

Total Rewards

At Noblis we recognize and reward your contributions, provide you with growth opportunities, and support your total well‑being. Our offerings include health, life, disability, financial, and retirement benefits, as well as paid leave, professional development, tuition assistance, and work‑life programs. Our award programs acknowledge employees for exceptional performance and superior demonstration of our service standards. Full‑time and part‑time employees working at least 20 hours a week on a regular basis are eligible to participate in our benefit programs. Other offerings may be provided for employees not within this category. We encourage you to learn more about our total benefits by visiting the Benefits (https://careers.noblis.org/benefits/) page on our Careers (https://careers.noblis.org/) site.

Compensation at Noblis is determined by various factors, including but not limited to, the combination of education, certifications, knowledge, skills, competencies, and experience, internal and external equity, location, clearance level, as well as contract‑specific affordability, organizational requirements and applicable employment laws. The projected compensation range for this position is based on full time status. For part time or on‑call staff, compensation is proportionately adjusted based on hours worked. While monetary compensation is important, it’s just one component of Noblis’ total compensation package.

Posted Salary Range

USD $146,200.00 - USD $228,400.00 /Yr.