Greenbelt, MD

Developer Jobs in Greenbelt, MD

8 jobs found

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Today

Software Engineer (Sr. II)

Columbus Technologies and Services Inc Greenbelt, MD

Greenbelt, MD

Today

$90k - $120k/yr Full time Senior Desktop Support DevOps

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Job Description

Join an onsite software engineering role supporting NASA telecommunications and space communications infrastructure for the Near Space Network (NSN) Project.

Responsibilities

Deliver software engineering, systems integration, and technical support for the NASA Near Space Network (NSN) Project.
Assist with planning, development, implementation, and evaluation of software solutions tied to NASA telecommunications and space communications infrastructure.
Coordinate with government personnel, systems engineers, and development and Operations and Maintenance (O&M) contractors to align software solutions with mission requirements, technical specifications, and operational objectives.

Requirements

Bachelor's degree in Computer Science, Software Engineering, Computer Engineering, or a related technical discipline.
3 to 5 years of relevant professional software engineering experience (typically 3 years minimum).
Proficiency in one or more programming languages: Python, C++, Java, or C.
Experience across the software development life cycle (SDLC), including requirements analysis, design, implementation, testing, and maintenance.
Working knowledge of Linux and/or Windows operating environments.
Experience developing, reviewing, or maintaining software requirements and technical documentation.
Familiarity with software integration, troubleshooting, debugging, and verification and validation methodologies.
Understanding of networking fundamentals, communications protocols, and software-to-hardware interfaces.
Experience with configuration management and version control tools, including Git.
Strong skills in analysis, problem-solving, and written technical communication.
Ability to work independently and collaboratively in multidisciplinary engineering teams.

Technologies

Python
C++
Java
C
Linux
Windows
Git

Desired Skills

Previous experience supporting NASA, Department of Defense (DoD), or other federal government aerospace programs.
Familiarity with NASA Near Space Network (NSN), Space Communications and Navigation (SCaN), or related ground and space communications systems.
Knowledge of telecommunications architectures, ground station systems, and mission operations software.
Experience with TCP/IP, network protocols, telemetry, command systems, or communications interfaces.
Familiarity with software architecture assessments, system requirements development, and interface control documents (ICDs).
Experience with automated testing, scripting, CI/CD, and DevOps practices.
Working knowledge of Agile software development methodologies.
Familiarity with NASA engineering standards, technical reviews, and mission assurance practices.
Experience supporting contractor deliverable reviews, technical evaluations, and independent engineering assessments.

Additional Details

Location: Greenbelt, MD (onsite)
Compensation: USD 90,000 - 120,000 per year
Citizenship: Must be a US Citizen
Position type: W2 with full benefits
Estimated duration: Ongoing

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13d ago

Full-Stack Web Developer

ADNET Systems, Inc. Greenbelt, MD

Greenbelt, MD

13d ago

$70k - $100k/yr Full time Backend Developer APIs Application Security

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Job Description

ADNET Systems, Inc. is hiring a full-stack web developer to help operate and develop NASA’s open-source General Coordinates Network (GCN).

Responsibilities

Build and maintain features across the full-stack GCN web application
Extend and support the serverless backend on AWS
Create and expand automated tests for application reliability
Develop the Notices Kafka broker, including supporting the Circulars database and search index
Build and maintain client libraries used by astronomers to consume the alert stream
Collaborate with NASA scientists and engineers to deliver new features that support astronomy and astrophysics
Support day-to-day work across the web application, Kafka service, and user support

Requirements

Bachelor’s degree in computer science, information technology, or a physical science (or equivalent degree/diploma)
3+ years of professional web development experience
Experience with TypeScript/JavaScript, React, Python, AWS, and Git/GitHub

Desired Qualifications

5+ years of professional web development experience
AWS experience including CloudFormation, Lambda, DynamoDB, OpenSearch, EC2, and Elastic Container Service
Familiarity with Apache Kafka
Experience with the Remix web framework
Experience with infrastructure-as-code for serverless apps (e.g., Architect / arc.codes)
Knowledge of accessible web design standards including Section 508 and the U.S. Web Design System
Knowledge of astronomy and experience working with scientific data

Technology Stack

TypeScript, JavaScript, React, Python
AWS, Git, GitHub
Kafka, CloudFormation, Lambda, DynamoDB, OpenSearch
EC2, Elastic Container Service, Remix
Architect, arc.codes
Section 508, U.S. Web Design System

Compensation & Benefits

Salary: USD 70,000 - 100,000 per year
Annual Leave/Sick Leave
Military and Family Emergency Leave
Paid Holidays
Performance Bonuses
Medical, Dental and Vision Plans
Direct Deposit Payroll
401K Plan with Company Matching
Tuition Reimbursement
Swag bags

Work Location

NASA Goddard Space Flight Center, Greenbelt, MD
Hybrid: on-site with flexible hours

Eligibility Requirement

US Citizenship or Permanent Residency (LPR) required, with US residency for the past 3 consecutive years
Ability to obtain and maintain a Tier 1 Investigation through NASA

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1mo ago

Senior Embedded Software Engineer

Clientmind Recruiting Greenbelt, MD

Greenbelt, MD

1mo ago Closed

Full time Senior Embedded C Embedded Development

This position is no longer accepting applications (closed Sep 28, 2026).

Job Description

Clientmind Recruiting is seeking a Senior Embedded Firmware Engineer for a full-time role based in Greenbelt, MD, with a hybrid schedule (onsite 3x per week). This position focuses on designing, developing, and maintaining firmware and software for microcontroller-based systems, with emphasis on architecture, debugging, optimization, validation, documentation, and engineering mentorship.

Role Responsibilities

Design, develop, and maintain embedded firmware for microcontroller-based systems, targeting strong performance, reliability, and power efficiency.
Collaborate on system architecture and firmware design, including low-level driver development for sensors and I/O interfaces, hardware abstraction layers, and communication protocols.
Identify, diagnose, and resolve complex firmware and system issues using tools such as oscilloscopes, logic analyzers, and debuggers.
Optimize firmware across performance, memory usage, and power consumption while meeting real-time and safety-critical needs.
Coordinate with hardware engineers, software teams, and product managers to support smooth integration between firmware, hardware, and system-level applications.
Create and maintain high-quality documentation, including specifications, design documents, test plans, and user manuals for ongoing development and maintenance.
Develop and execute unit tests, integration tests, and system-level validation to support firmware quality and robustness.
Provide technical leadership and mentorship to junior and mid-level engineers, including guidance on best practices and assistance with complex engineering problems.
Stay current with embedded systems and firmware development techniques, and contribute improvements to engineering practices.

Required Qualifications

US Citizen with Secret level security clearance or ability and willingness to obtain a clearance.
Bachelor’s or Master’s degree in Computer Engineering, Electrical Engineering, or a related field, or equivalent work experience.
Minimum 4 years of hands-on experience in embedded firmware development with a demonstrated record of successful project execution.

Technologies and Tools

C/C++, ARM Cortex-M, STM32, i.MX
Bare metal, RTOS
UART, SPI, I2C, CAN, Ethernet
JTAG, oscilloscopes, logic analyzers, debuggers
Git, SVN
FPGA, embedded Linux, Python

Preferred Qualifications

Experience with FPGA development, low-level hardware design, or system-on-chip (SoC) integration.
Experience programming custom embedded Linux platforms on embedded application processors, including familiarity with building custom Linux features and power/speed optimization.
Experience with scripting languages (such as Python) for automation or testing purposes.

Benefits

Relocation assistance

Work Location

Hybrid remote in Greenbelt, MD 20770 (onsite 3x per week).

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3mo ago

AP107 HEASARC Scientific Cloud Platform Developer

ADNET Systems, Inc. Greenbelt, MD

Greenbelt, MD

3mo ago Closed

Full time Backend Developer Python Amazon Web Services

This position is no longer accepting applications (closed Aug 14, 2026).

Job Description

ADNET Systems, Inc. invites you to join onsite in Greenbelt, MD as part of a team focused on cloud based scientific computing. The role centers on building and testing migrations of services to AWS and supporting the Fornax science platform on AWS. You will manage containerized environments and enable Jupyter workflows in the cloud environment.

Benefits

Annual Leave/Sick Leave
Military and Family Emergency Leave
Paid Holidays
Performance Bonuses
Medical, Dental and Vision Plans
Direct Deposit Payroll
401K Plan with Company Matching
Tuition Reimbursement
Swag bags

What you will do

Develop and test approaches for migrating services to AWS, deploying complex software and CPU-heavy workloads in the cloud, while evaluating feasibility and cost implications.
Support the Fornax science platform by deploying a Jupyter stack on AWS.
Own the containerized software environment for users on this platform.
Develop and deploy extensions for JupyterLab.
Install third party software as needed.
Debug interfaces and troubleshoot container level issues or cross interactions with AWS infrastructure.
Collaborate with the cloud engineering team to address container and AWS integration challenges.

What you need

Hands-on experience with software containerization (Docker, Kubernetes, or equivalent) in production or research computing environments.
Python and Bash scripting in Unix environments.
Practical AWS experience with compute, storage, and networking services (EC2, S3, EFS, or similar).
Ability to evaluate technical feasibility and document trade-offs clearly for engineering teams and program stakeholders.
Experience diagnosing problems spanning application software, container configuration, and cloud infrastructure.
Strong version control and configuration management practices (Git).
US Citizenship or Permanent Residency (LPR) required, with at least 3 consecutive years of US residency.
Ability to obtain and maintain a NASA Tier 1 Investigation.

Technologies

Docker
Kubernetes
Python
Bash
Unix
AWS
EC2
S3
EFS
Jupyter
JupyterLab
Git
HEASoft
FTOOLS
XSPEC
FITS

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4mo ago

AP108 HEASARC Senior Scientific Software Developer

ADNET Systems, Inc. Greenbelt, MD

Greenbelt, MD

4mo ago Closed

Full time Python Senior Engineering

This position is no longer accepting applications (closed Jul 11, 2026).

Job Description

ADNET Systems, Inc is seeking an AP108 HEASARC Senior Scientific Software Developer to join the team onsite in Greenbelt, Maryland. This role centers on building, sustaining, and guiding open source software for the HEASARC at NASA GSFC, with a focus on modernizing workflows, designing a forward-looking code base, and encouraging broad community input.

Responsibilities

Develop, maintain, and manage open source software projects.
Modernize development and management practices used by the team.
Open source portions of the codebase and actively foster community contributions.
Contribute to the design and implementation of the future code base.
Collaborate across a multi-language, multi-contributor environment to improve consistency without full rewrites.
Provide strong written communication for technical documentation and contributor-facing guidance.

Requirements

Proven experience developing and maintaining large, long-lived code bases in collaborative or open source settings.
Proficiency in at least one systems-level language (C, C++, Fortran) and one scripting language (Python, Perl, or shell).
Experience with modern software development practices including Git version control, code review workflows, CI/CD pipelines, and issue tracking.
Experience managing open source projects, including contribution workflows, licensing considerations, and contributor-facing documentation.
Ability to work across a multi-language, multi-contributor code base and improve consistency without requiring full rewrites.
Strong written communication skills for technical documentation and contributor guidance.
Bachelor of Science degree in Physics, Astronomy, Computer Science, or a relevant physical science.
U.S. Citizenship or Permanent Residency (LPR) required, with U.S. residency for the past three consecutive years.
Ability to obtain and maintain a Tier 1 Investigation through NASA.

Technologies

C
C++
Fortran
Python
Perl
Shell
git
HEASoft
FTOOLS
XSPEC
FITS
CMake
Autotools

Benefits

Annual leave and sick leave
Military and family emergency leave
Paid holidays
Performance bonuses
Medical, dental, and vision plans
Direct deposit payroll
401K plan with company matching
Tuition reimbursement
Swag bags

Desired Qualifications

Experience modernizing or refactoring legacy scientific software
Familiarity with HEASARC tools or high-energy astrophysics data formats (HEASoft, FTOOLS, XSPEC, FITS)
Experience with software build systems (CMake, Autotools, or similar) across multiple platforms
Background in scientific computing or research software engineering
Experience designing software architecture for long-term maintainability and extensibility
Master of Science degree or higher in Physics, Astronomy, Computer Science, or related physical science

Education

Bachelor of Science

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4mo ago

AP106 Scientific Software Developer

ADNET Systems, Inc. Greenbelt, MD

Greenbelt, MD

4mo ago Closed

Full time Python Data Integration Data Processing

This position is no longer accepting applications (closed Jul 11, 2026).

Job Description

Benefits

Annual Leave and Sick Leave
Military and Family Emergency Leave
Paid Holidays
Performance Bonuses
Medical, Dental and Vision Plans
Direct Deposit Payroll
401K Plan with Company Matching
Tuition Reimbursement
Swag bags

Role overview

ADNET Systems is seeking an AP106 Scientific Software Developer to support the NASA/GSFC XRISM mission. This onsite position is located in Greenbelt, Maryland. The role includes developing, maintaining and supporting software used to calibrate and analyze data from space instruments, preparing technical documentation and user guides, assisting users, and delivering software for pipeline processing, data ingest and archiving.

Responsibilities

Software development, maintenance and support for calibrating and analyzing data from space instruments
Writing and editing technical documentation and user guides
Assisting with user support
Development, operation and maintenance of software for pipeline processing, including monitoring and troubleshooting operational pipelines
Data ingest
Archiving

Requirements

Bachelor’s degree in Astrophysics, Astronomy, Physics, or Physical Sciences
3+ years of experience
Proficiency in C/C++, Perl and shell scripting within UNIX/Linux/macOS environments
Technical writing experience
US Citizenship or Permanent Residency (LPR) required, with US residency for the past 3 consecutive years
Ability to obtain and maintain a Tier 1 Investigation through NASA

Technologies

C/C++
Perl
Shell scripting
UNIX/Linux/Mac OSX
Fortran
Python
FTOOLS
FITS

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5mo ago

HP100 Senior Scientific Software Developer

ADNET Systems, Inc. Greenbelt, MD

Greenbelt, MD

5mo ago Closed

Full time Backend Developer Python Senior

This position is no longer accepting applications (closed May 22, 2026).

Job Description

This on-site role, based in Greenbelt, Maryland, supports NASA GSFC SPDF and focuses on maintaining and enhancing data‑related services in production and real-time environments.

Responsibilities

Design and implement enhancements to SPDF software systems.
Develop and validate new features through rigorous testing.
Collaborate with curation scientists to enable the integration of new datasets into these systems.
Ensure adherence to NASA data standards across all work.

Requirements

U.S. Citizenship or Permanent Residency (LPR) is required, with U.S. residency for the past three consecutive years.
Ability to obtain and maintain a Tier 1 Background Investigation through NASA.
Bachelor's degree in Computer Science, Physical Science, or an equivalent combination of education and experience.
Ten years of experience in scientific programming across multiple languages, including IDL, HTML, Fortran, C, Java, JavaScript, and Python.
Experience programming within a Linux operating system environment.
Proven track record developing software to support data systems.
Basic proficiency with Git or similar source and configuration management tools.

Technologies

IDL
HTML
Fortran
C
Java
JavaScript
Python
Linux
Git
CDF
NetCDF
FITS

Benefits

Annual leave and sick leave
Military and family emergency leave
Paid holidays
Performance bonuses
Medical, dental, and vision plans
Direct deposit payroll
401K plan with company matching
Tuition reimbursement
Swag bags

Desired Skills

Experience developing portable or multi-platform software solutions
Ability to analyze space physics data
Strong organizational skills with attention to detail and a methodical approach
Independent project management and initiative
Excellent written and verbal communication skills, with the ability to interpret requests and provide informed recommendations
Evident ability to learn new packages and processes quickly and accurately

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5mo ago

HP099 Scientific Software Developer

ADNET Systems, Inc. Greenbelt, MD

Greenbelt, MD

5mo ago Closed

Full time Python Git Monitoring

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