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Software Jobs in Rockville, MD (Now Hiring) — 89 open

Quantum Space logoQuantum Space

Spacecraft Guidance, Navigation & Control Engineer

Rockville, Maryland, United States · On-site

$130k–$180k/yr

Senior$73M raised

Who We're Looking For Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and pro…

Skills: Guidance Navigation and Control, Rigid-body dynamics, Orbital mechanics, Control theory, C++

Quantum Space logoQuantum Space

Spacecraft GNC Integration & Test Engineer

Rockville, Maryland, United States · On-site

$130k–$180k/yr

Senior$73M raised

Who We're Looking For Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and pro…

Skills: GNC Integration, Hardware-in-the-Loop (HITL), Software-in-the-Loop (SIL), Rigid-body Dynamics, Control Theory

X-energy logoX-energy

Nuclear Software Engineering Manager

Rockville, Maryland, United States · On-site

$138k–$230k/yr

Senior+$1.7B raised

X-energy LLC conducts a thorough recruiting process and will never issue offers without interview to discuss qualifications and responsibilities. All applications will be submitted via our company career page, www.x-ener…

Skills: Software Engineering Management, Verification and Validation (V&V), Commercial Grade Dedication (CGD), NQA-1 Standards, Quality Assurance

eTelligent Group

Senior .NET Developer

Rockville, Maryland, United States · Hybrid

Senior

Company Overview: Over the past 15 years, eTel has delivered essential solutions for the federal government by securing and managing data, providing scalable identity access, modernizing legacy systems, and building high…

Skills: C#, .NET 8, Azure, ASP.NET Core, Microservices

DMI logoDMI

Technical Project Manager, Application Development & AI

Rockville, Maryland, United States · Hybrid

$96k–$105k/yr

Senior$8M raised

About DMI DMI is a leading provider of digital services and technology solutions, headquartered in Tysons Corner, VA. With a focus on end-to-end managed IT services, including managed mobility, cloud, cybersecurity, netw…

Skills: SDLC Management, AI/ML Delivery, DevSecOps, CI/CD Pipelines, Azure DevOps

FINRA logoFINRA

Senior Software Engineer

Washington, District of Columbia, United States · Hybrid

$98k–$211k/yr

Senior

Under minimal supervision, the Senior Software Engineer assists in developing software products and works on improving the overall quality of the product throughout the software development life cycle. Seasoned individua…

Skills: Java, AWS, Spring Boot, RESTful APIs, GraphQL

ServBeyond Solutions LLC logoServBeyond Solutions LLC

ServiceNow Developer

Rockville, Maryland, United States · Remote OK

Senior

Job Description ServBeyond Solutions’ dedication to innovation, quality and customer satisfaction has allowed us to become a well-recognized leader in providing digital services for our Government customers. We seek an e…

Skills: ServiceNow Development, ITSM, ITOM, PSDS, CSM

ASSYST logoASSYST

Senior .NET Developer – Azure & AI Solutions

Rockville, Maryland, United States · On-site

Senior+

ASSYST is seeking a Senior .NET Developer – Azure & AI Solutions to support our client in designing, developing, modernizing, and maintaining enterprise applications using Microsoft Azure and the latest .NET technologies…

Skills: C#, .NET 8, Azure OpenAI, Azure AI Foundry, RAG

Turning Point Global Solutions logoTurning Point Global Solutions

Full Stack Java Developer

Rockville, Maryland, United States · Hybrid

$80k–$100k/yr

Senior+

Full Stack Java Developer Turning Point Global Solutions is seeking an experienced Full Stack Java Developer / Software Engineer with AWS Cloud Services experience. In this role, you will design, develop, and maintain Ja…

Skills: Java, Spring Boot, AWS, Terraform, Angular

Leidos logoLeidos

Azure Cloud Integration Engineer

Rockville, Maryland, United States · On-site

$87k–$157k/yr

Senior

We are seeking an Azure Cloud Integration Engineer to support the U.S. Department of Health and Human Services (HHS). This engineer will play a key role in integrating cloud services across Azure and Microsoft 365 GCC en…

Skills: Azure Administration, Microsoft 365 GCC, Entra ID, PowerShell, Azure CLI

TCG logoTCG

Lead/Sr. Applications Developer

Rockville, Maryland, United States · Hybrid

$150k–$170k/yr

Senior+

You've stumbled upon the rare B Corp government contractor! At TCG, we aim to prove that businesses can be good to their employees and responsible to their community while being profitable. In anticipation of an upcoming…

Skills: Microsoft PowerApps, Microsoft Dataverse, Microsoft SQL Server, Azure Cloud Services, CI/CD

Guidehouse logoGuidehouse

Senior Cloud & DevSecOps Engineer

Rockville, Maryland, United States · On-site

$113k–$188k/yr

Senior$750K raised

Job Family: IT Architecture/Cloud Travel Required: None Clearance Required: Ability to Obtain Public Trust What You Will Do: Develops and maintains infrastructure-as-code and CI/CD pipelines for automated environment pro…

Skills: Infrastructure-as-Code, CI/CD Pipelines, Cloud Architecture, DevSecOps, Containerization

SUNAYU logoSUNAYU

AI Engineer - Top Secret

Rockville, Maryland, United States · Hybrid

$131k–$237k/yr

Senior+

Category: Data Scientist Travel Required: No Remote Type: Hybrid Sunayu, LLC is looking for a AI Engineer who will support the development and operationalization of AI and agentic AI systems in production mission environ…

Skills: AI Engineering, LLMOps, MLOps, RAG Architectures, Python

SUNAYU logoSUNAYU

Senior Software Engineer - Top Secret

Rockville, Maryland, United States · Hybrid

$131k–$237k/yr

Senior+

Category: Software Engineering Travel Required: No Remote Type: No Sunayu, LLC is looking for a Software Engineer who will support the development of distributed backend services, APIs, and platform microservices support…

Skills: Backend Microservices, Distributed Systems, API Development, Event-Driven Architectures, Kubernetes

Guidehouse logoGuidehouse

Senior Scrum Master

Rockville, Maryland, United States · On-site

$113k–$188k/yr

Senior+$750K raised

Job Family: IT Project Management Travel Required: Up to 10% Clearance Required: Active Public Trust As a Senior Scrum Master, you will lead Agile execution for teams supporting Grants.gov operations, maintenance, enhanc…

Skills: Scrum, Kanban, SAFe, Agile Facilitation, Backlog Refinement

Guidehouse logoGuidehouse

Section 508 Subject Matter Expert

Rockville, Maryland, United States · On-site

$85k–$141k/yr

Senior$750K raised

Job Family: Business Systems Analysis Travel Required: Up to 10% Clearance Required: Ability to Obtain Public Trust What You Will Do: As an Accessibility Subject Matter Expert, you will collaborate directly with product,…

Skills: Section 508 Compliance, WCAG 2.0, Accessibility Auditing, ARIA, VPAT

Guidehouse logoGuidehouse

UI/UX Designer

Rockville, Maryland, United States · On-site

$98k–$163k/yr

Senior$750K raised

Job Family: Software Development & Support Travel Required: Up to 10% Clearance Required: Ability to Obtain Public Trust What You Will Do: The ideal candidate is a user-centered designer with strong web form experience w…

Skills: UI/UX Design, Section 508 Compliance, Web Form Design, Wireframing, Prototyping

Guidehouse logoGuidehouse

Cybersecurity Specialist

Rockville, Maryland, United States · On-site

$98k–$163k/yr

Senior$750K raised

Job Family: IT Cyber Security Travel Required: Up to 10% Clearance Required: Ability to Obtain Public Trust What You Will Do: The ideal candidate is a detail-oriented cybersecurity professional who can support secure ope…

Skills: Cybersecurity Operations, Risk Management, Compliance, ATO Support, POA&M Management

Guidehouse logoGuidehouse

Systems Architect

Rockville, Maryland, United States · On-site

$130k–$216k/yr

Senior+$750K raised

Job Family: Systems Engineering Travel Required: Up to 10% Clearance Required: Ability to Obtain Public Trust As a System Architect, you will lead the technical architecture, modernization, and continuous improvement of …

Skills: Enterprise Architecture, Cloud Architecture, AWS, API Design, Microservices

DRB Homes logoDRB Homes

IT Full Stack Developer (2094)

Rockville, Maryland, United States · On-site

Entry level

Job DetailsJob Location: Corporate Division - Rockville, MD 20850Position Type: Full TimeJob Shift: DayDevelops and maintains software applications across multiple platforms, including web applications, Windows Services,…

Skills: C#, .NET, .NET Blazor, JavaScript, HTML

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Showing 1–20 of 89

Quantum Space logo

Spacecraft Guidance, Navigation & Control Engineer

Quantum Space

Rockville, Maryland, United States • On-site

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Senior

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Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.

  • $130k–$180k/yr
  • Full-time
  • bachelor degree, postgraduate degree
  • Medical, Dental, Vision, Generous leave, HSA, 401(k) matching
  • Posted 6h ago
  • ~40 hrs/week

Responsibilities

Develop GNC algorithms, high-fidelity simulations, and flight capabilities for autonomous spacecraft maneuverability. Own the GNC subsystem throughout the lifecycle, from mission analysis and hardware integration to on-orbit mission support.

Requirements

Requires a B.S. or M.S. in Aerospace, Mechanical, or Electrical Engineering with 3-8+ years of experience in high-reliability GNC development. Candidates must be proficient in C++, Python, or MATLAB and have a strong foundation in orbital mechanics and control theory.

Full job description

Who We're Looking For 

Quantum Space is redefining mobility and maneuverability in space. Our high-mobility spacecraft platforms support national security, civil, and commercial missions with unmatched flexibility and propulsion capability. We build fast and iterate quickly. 

We are seeking a Spacecraft Guidance, Navigation & Control Engineer to develop the algorithms, analyses, and flight capabilities that enable our spacecraft to navigate, maneuver, and operate autonomously across a diverse range of space missions. In this role, you will own GNC subsystem development throughout the spacecraft lifecycle, including mission analysis, modeling and simulation, guidance, navigation, and control algorithm development, flight software integration, hardware integration and test, verification and validation, and on-orbit mission support. The ideal candidate thrives in a fast-paced environment, enjoys solving complex technical challenges, and is passionate about building next-generation space systems that support mission success. 


Where You'll Make an Impact 

  • Develop high-fidelity spacecraft dynamics and GNC simulation environments to support analysis, verification, and mission design. 
  • Implement and tune control laws for attitude control, momentum management, orbit maneuvering, RPO, and station-keeping. 
  • Perform state estimation design and analysis (EKF/UKF, sensor fusion, GPS/IMU, star tracker & sun sensor pipelines). 
  • Support integration of GNC algorithms into flight software, including validation through unit test, SIL/HIL, and full-vehicle simulation. 
  • Collaborate with avionics and sensor teams to define GNC-related ICDs, data flows, timing, and performance budgets. 
  • Analyze both on-orbit and testbed telemetry to evaluate GNC performance and inform updates to algorithms and configuration. 
  • Develop tools that improve autonomous maneuver planning, control margin analysis, and attitude/orbit estimation accuracy. 
  • Support safe-mode and fault management logic development in partnership with FSW and systems engineering. 
  • Work with the systems team to specify hardware components based on system requirements, and coordinate with vendors to acquire hardware that meet program cost and schedule targets. 
  • Develop and execute GNC hardware acceptance and performance test plans and procedures. 
  • Participate in MCR/PDR/CDR, test readiness reviews, and support operations during early-orbit commissioning when needed. 
  • Contribute to rapid iteration cycles that refine autonomy and maneuverability across successive spacecraft builds. 

 


What It Takes 

  • B.S. or M.S. in Aerospace Engineering, Mechanical Engineering, Electrical Engineering, Robotics, or related field. 
  • 3–8+ years of experience in spacecraft or high-reliability GNC development. 
  • Strong foundation in rigid-body dynamics, orbital mechanics, and classical/modern control theory. 
  • Experience implementing estimation and control algorithms in C++, Python, or MATLAB/Simulink. 
  • Experience with sensor fusion for spacecraft-relevant sensors (IMUs, star trackers, sun sensors, GNSS, ranging sensors). 
  • Familiarity with flight software integration, SIL/HIL testing, and simulation pipelines. 
  • Ability to analyze telemetry, validate performance, and debug GNC-related anomalies. 
  • Systems-level awareness across avionics, software, and dynamics. 
  • Ability to operate in a fast-paced, hardware-integrated environment with shifting priorities. 

 Nice-to-Have Experience 

  • Experience with RPO, proximity operations, autonomous maneuver planning, or high-ΔV vehicle dynamics. 
  • Familiarity with MAX FSW and MAX GDS or other modern COTS flight software environments. 
  • Experience with Monte Carlo analysis and large-scale mission simulation. 
  • Experience with EKF variants, covariance analysis, or nonlinear control approaches. 
  • Background with thruster-based ACS, high-agility control architectures, or propulsion-coupled dynamics. 
  • Experience analyzing 6DOF models incorporating propellant slosh and flexible-body dynamics. 
  • Hands-on experience with testbeds, HITL environments, or closed-loop simulation frameworks. 
  • Experience with fault management logic, safing modes, and on-orbit anomaly investigation. 
  • Prior experience working in fast-paced startups or NewSpace organizations. '

 What You'll Get 

  • Ownership – Build and validate the GNC capability that defines how our spacecraft maneuver, point, and operate autonomously. 
  • Innovation – Shape next-generation GNC architectures, algorithms, and tools for high-agility missions. 
  • Impact – Directly influence spacecraft controllability, autonomy, and mission success across cislunar and GEO operations. 
  • Growth – Collaborate across avionics, FSW, systems, and mission ops, with opportunities to expand into dynamics modeling, autonomy, or flight operations. 
  • Compensation – Competitive salary, equity, and comprehensive benefits including medical, dental, vision, generous leave, HSA, 401(k) matching, and equity participation. 

Location: Rockville, MD

Base Salary: $130,000 - $180,000

The salary range for this role is determined based on a variety of factors including work experience, education, technical expertise, certifications, critical skills, and business considerations. Highly competitive equity grants are included in the majority of full-time offers and are considered part of Quantum Space's total compensation package. 


Additional Requirements 

To comply with U.S. Government space technology export regulations, including ITAR, applicants must be a U.S. citizen, lawful permanent resident, protected individual under 8 U.S.C. §1324b(a)(3), or otherwise eligible to obtain the required authorizations from the U.S. Department of State. 

Apply now. Join us in building the next generation of spacecraft. 

Related keywords

SpacecraftGNCGuidanceNavigationControlOrbital MechanicsRigid-body DynamicsC++PythonMATLABSimulinkEKFUKFSensor FusionIMUStar Tracker

About Quantum Space

LinkedInVisit site

Delivering the Freedom to Maneuver in space—building a fleet of maneuver-first spacecraft to ensure space superiority

Industry
Defense and Space Manufacturing
Company size
51-200 employees
Headquarters
Rockville, Maryland
LinkedIn followers
19,086
Total funding
$73M

Quantum Space is developing Ranger—a maneuver-first, mission-configurable spacecraft designed to support and meet the demands of modern space operations. With patented propulsion, extended on-orbit endurance, and modular flexibility, Ranger is being built to outmaneuver legacy satellites and operate dynamically across mission sets. From deploying interceptors to refueling allied assets, Ranger enables persistent presence, rapid repositioning, and longer mission life—across any orbit. The result is a dramatic increase in survivability, responsiveness, and ROI for both national security and commercial customers.

Offices: 801 Thompson Ave, Rockville, Maryland 20852, US

National SecurityMilitaryAerospace
View all jobs at Quantum Space

Frequently asked questions

How much do Software jobs in Rockville, MD pay?

Based on 74 listings with disclosed salaries, most software jobs in Rockville, MD pay between $90k–$203k per year. Individual offers vary with seniority, company size, and specialization.

How many Software jobs are open in Rockville, MD right now?

There are currently 89 open software positions in Rockville, MD listed on Clera. New openings are added daily as companies post roles.

Which companies are hiring for Software roles in Rockville, MD?

Companies currently hiring include Guidehouse, BAE Systems, Inc., Quantum Space, X-energy, FINRA, among others. Browse the listings above to see every active employer.

Are there remote or hybrid Software jobs in Rockville, MD?

Yes — 47 of the 89 open software positions offer remote or hybrid work (9 remote, 38 hybrid).

How do I apply for Software jobs in Rockville, MD?

Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.

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