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Added 36 mins ago
Mid-level Back-End Software Engineer (TS/SCI)
Vantor Services Inc.
Herndon, VA · Westminster, CO
We are seeking an experienced Back-End Software Engineer to support the design, development, integration, and sustainment of a large-scale data analytics platform supporting a U.S.…
Added 36 mins ago
Mid-level Full Stack Software Engineer (TS/SCI)
Vantor Services Inc.
Herndon, VA · Westminster, CO
We are seeking an experienced Full Stack Software Engineer to support the development, integration, and sustainment of data analytics applications and capabilities for a large-scale U.S.…
Added 3 hours ago
Software Systems Field Support Engineer/Representative
Huntington Ingalls Industries
Syracuse, NY
HII Mission Technologies is seeking a technically skilled software-focused Field Support Engineer / Representative to support the deployment, integration, operation, troubleshooting, and…
Added 5 hours ago
Systems Engineer Staff - Clearance Required
Lockheed Martin
Huntsville, AL · Huntsville
This role is for a Systems Engineer to support the IFICS Data Terminal (IDT) product team on the Ground Based Mid-course Defense (GMD) Weapon System (GWS) program. In this role the…
Added 5 hours ago
Systems Engineer Sr - Clearance Required
Lockheed Martin
Huntsville, AL · Huntsville
This role is for a Systems Engineer to support the IFICS Data Terminal (IDT) product team on the Ground Based Mid-course Defense (GMD) Weapon System (GWS) program. In this role the…
Added 8 hours ago
Cloud Systems Engineer (Secret) (4496)
SMX
Boston, MA
SMX is seeking Cloud Systems Engineers (Junior/Mid/Senior/SME) supporting the design and implementation of secure, scalable multi-cloud infrastructure, applications, and services in support…
Added 19 hours ago
M
Google Cloud Engineer
Markon
Herndon, VA
- $170,000 to $200,000 USD / year
Markon is seeking an experienced Google Cloud Engineer (Mid–Senior) to support an Intelligence Community client in Chantilly, Virginia. This position will design, deploy, secure, and…
Added 19 hours ago
J
Principal Systems Engineer
Jobot
Gaithersburg, MD
- $140,000 to $175,000 USD / year
With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize…
Added 20 hours ago
J
Sr. QA/Test Automation Engineer
Jobot
Gaithersburg, MD
- $140,000 to $175,000 USD / year
With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize…
Added 22 hours ago
Senior Software Engineer (Embedded SW)
RTX
United States
Collins Aerospace is seeking a qualified Senior Software Engineer to support the Identification Friend or Foe (IFF) programs for onsite software development at Aberdeen Proving Ground, MD.
Added 23 hours ago
Systems Engineer
Metron
Reston, VA
Our Reston team is seeking a mid-level Systems Engineer to support the design, development, integration, testing, and deployment of complex technical systems supporting mission-critical…
Added 23 hours ago
Senior Information Systems Security Engineer (ISSE)
Amentum
Fort Meade, MD
…further. Amentum is seeking a Senior Information Systems Security Engineer (ISSE) to join our team of passionate individuals at Fort Meade, MD. In this role you will support challenging,…
Added 23 hours ago
Senior Information Systems Security Engineer (ISSE)
Amentum
Fort Meade, MD
…further. Amentum is seeking a Senior Information Systems Security Engineer (ISSE) to join our team of passionate individuals at Fort Meade, MD. In this role you will support challenging,…
Added 23 hours ago
Senior Information Systems Security Engineer (ISSE)
Amentum
Fort Meade, MD
…further. Amentum is seeking a Senior Information Systems Security Engineer (ISSE) to join our team of passionate individuals at Fort Meade, MD. In this role you will support challenging,…
Added 1 day ago
Senior DevSecOps / CI/CD Engineer
Peraton
Chantilly, VA
We are seeking a Senior DevSecOps / CI/CD Engineer to lead the architecture, development, and continuous improvement of secure software delivery pipelines for a mission-critical enterprise…
Added 1 day ago
Network Engineer - Mid/Sr
Deloitte US
Colorado Springs, CO
As a PROJECT - Lead Security Engineer II on the Enterprise Security team, you will be responsible for designing, deploying, troubleshooting, and optimizing secure, high-availability…
Added 2 days ago
Design and Analysis Engineer - Avionics Test (Associate or Mid-Level)
The Boeing Company
Eglin AFB, FL
BT&E is currently hiring for a broad range of experience levels including an Associate or Mid-Level Design & Analysis Engineer.
Added 3 days ago
BA
Full Stack Developer, Mid
Booz Allen Hamilton
Aurora, CO
- $69,400 to $158,000 USD / year
Bring your full-stack engineering expertise to help modernize OPIR research and development. As a midlevel engineer, you'll build cloudnative microservices, develop scalable frontend…
Added 3 days ago
BA
Full Stack Developer, Mid
Booz Allen Hamilton
Aurora, CO
- $69,400 to $158,000 USD / year
Bring your full-stack engineering expertise to help modernize OPIR research and development. As a midlevel engineer, you'll build cloudnative microservices, develop scalable frontend…
Added 3 days ago
AE
Sr Software Engineer I
American Express
New York, NY
- $123,000 to $215,250 USD / year
American Express is looking for a highly skilled, hands-on Senior Java Software Engineer to join the Enterprise Identity Team , focused on delivering secure, scalable, and reliable Identity…
Added 3 days ago
Mid Level Cloud Developer - Top SECRET - Fully ONSITE
VISUAL SOFT, INC
Huntsville, AL
We are seeking an experienced Mid Level Cloud DevOps Engineer to support the design, automation, deployment, and maintenance of mission-critical cloud infrastructure in a classified AWS…
Added 3 days ago
Dev Ops Engineer - Mid Level - Top SECRET-ONSITE
VISUAL SOFT, INC
Huntsville, AL
Job Title: Dev Ops Engineer - Mid Level - an Active Top SECRET required
Added 3 days ago
Mid Level DevSecOps Engineer
BAE Systems
Sterling, VA
Job Description BAE Systems is looking for a Software Engineer/ DevSecOps to join our visible technical program driving the Model Based Systems Engineering (MBSE) cloud platform that…
Added 3 days ago
Mid Level Systems Engineer - Platform/Infrastructure
BAE Systems
Sterling, VA
Job Description BAE Systems is looking for a Platform or Infrastructure Systems Engineer experienced in configuring, deploying, and maintaining infrastructure tools and COTS applications as…
Added 3 days ago
Data Engineer, Mid
Booz Allen Hamilton_United States
McLean, VA
As a data engineer, you know that reliable data is critical to building modern applications and enabling informed decision-making. We’re looking for a data engineer like you to help develop…

Jobot

Principal Systems Engineer

Gaithersburg, MD, United States

$140,000 to $175,000 USD / year

Apply About employer

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Job details

Pay: $140,000 to $175,000 USD / year
Apply by: May 2, 2027
Posting language: English
Posted: Nov 2, 2026

Original job description

Principal Systems Engineer

$140000 - $175000 per year | Gaithersburg, MD | Hybrid | Permanent

A bit about us:

We are a technology consulting and cloud solutions organization specializing in the design, development, and implementation of highly available, secure, and mission-critical systems for government and commercial clients. Our teams partner closely with customers to deliver innovative solutions across cloud strategy, cybersecurity, systems integration, data engineering, machine learning, AI, disaster recovery, and enterprise infrastructure initiatives.

Our approach is built around collaboration and long-term partnership. We work closely with stakeholders at every level of the organization - from executive leadership to engineering and operations teams - to provide scalable, resilient, and secure technology solutions that solve complex business and operational challenges.

With deep expertise in cloud-first architectures, automation, DevSecOps, virtualization, reliability engineering, and large-scale systems integration, we help organizations modernize infrastructure, improve operational efficiency, and support mission-critical environments where performance, security, and resiliency are essential.

Our team consists of highly skilled engineers, architects, developers, and technology specialists who thrive on solving complex technical challenges. We foster a culture centered around innovation, collaboration, continuous learning, and technical excellence while delivering meaningful value to our clients across highly regulated and fast-evolving industries.

Why join us?

Our client offers highly competitive compensation packages, comprehensive benefits, and a collaborative, people-first culture that promotes innovation, professional growth, and long-term career development. We are committed to creating an environment where employees are empowered to make an impact, work alongside highly talented teams, and contribute to meaningful, mission-critical initiatives in a supportive and forward-thinking workplace.

Job Details

Software Developer – Senior, Lead & Principal Levels

Java | Cloud-Native Development | AWS | DevSecOps | AI/ML Integration

Location: Gaithersburg, MD (Hybrid)

Employment Type: Multiple Openings

Levels: T3 (Mid/Senior), T4 (Lead), T5 (Principal/Senior Staff)

Industry: Federal Technology | Aviation Systems | Mission-Critical Applications

About the Opportunity

We are seeking talented Software Developers at the Senior, Lead, and Principal levels to support the development and modernization of mission-critical applications within a highly regulated federal technology environment.

This is an exciting opportunity to contribute to advanced software solutions supporting critical aviation operations, leveraging modern Java technologies, cloud-native architectures, secure development practices, and emerging artificial intelligence capabilities.

The ideal candidates are passionate about building scalable, reliable, and secure software and bring strong hands-on Java development expertise, experience with containerized microservices, and familiarity with modern DevSecOps environments.

These positions offer the opportunity to work on complex, high-impact software initiatives involving cloud modernization, AI-driven automation, and enterprise application development.

The development teams operate within a Scaled Agile Framework (SAFe) environment, emphasizing collaboration, iterative delivery, and continuous improvement.

Key Responsibilities

Software Development & Application Engineering

&bullet; Design, develop, enhance, troubleshoot, and maintain enterprise applications, microservices, and software frameworks using Java. &bullet; Write clean, efficient, maintainable, and well-documented source code throughout the software development lifecycle. &bullet; Develop RESTful APIs and support event-driven application architectures. &bullet; Apply cloud-native development principles, including 12-factor application methodology, scalability, resilience, and maintainability. &bullet; Participate in software design reviews, code reviews, debugging, testing, and release activities. &bullet; Collaborate with cross-functional teams to deliver high-quality software solutions.

Cloud-Native Development & Modernization

&bullet; Build and maintain containerized microservices designed for deployment across AWS and enterprise container platforms. &bullet; Develop applications compatible with Amazon ECS, Amazon EKS, Kubernetes, and Red Hat OpenShift. &bullet; Support application modernization and migration initiatives from on-premises environments to cloud-based platforms. &bullet; Develop and maintain application integrations with MongoDB, PostgreSQL, and other enterprise data services. &bullet; Collaborate with cloud and infrastructure engineers to optimize application deployment, performance, and reliability.

DevSecOps & Secure Software Development

&bullet; Develop and maintain software within automated CI/CD and DevSecOps pipelines. &bullet; Apply secure coding principles throughout the software development lifecycle. &bullet; Identify and remediate vulnerabilities discovered through static application security testing (SAST) and software composition analysis (SCA). &bullet; Manage application dependencies, secrets, and security configurations in accordance with established standards. &bullet; Work with DevSecOps tools such as GitLab, Tekton, Argo CD, and HashiCorp Vault. &bullet; Support secure software delivery within highly regulated federal environments.

AI/ML Development & Automated Testing

&bullet; Contribute to the development and integration of AI-enabled capabilities within enterprise applications. &bullet; Support the implementation of AI-driven functionality designed to improve aviation-related operational workflows. &bullet; Integrate AI-assisted test-script generation into software development and testing processes. &bullet; Collaborate with engineering and quality assurance teams to improve automated testing, code quality, and release efficiency. &bullet; Explore opportunities to leverage AI/ML technologies to enhance application functionality and development productivity.

Collaboration & Technical Leadership

&bullet; Work closely with software engineers, architects, DevSecOps specialists, testers, and program stakeholders. &bullet; Participate in Agile ceremonies, sprint planning, technical discussions, and continuous improvement initiatives. &bullet; Troubleshoot complex application issues and contribute to effective technical solutions. &bullet; Document software designs, development standards, application configurations, and implementation procedures. &bullet; Provide technical guidance and mentorship appropriate to the assigned engineering level.

Required Qualifications

&bullet; Strong hands-on experience developing enterprise applications using Java as the primary programming language. &bullet; Demonstrated experience writing, maintaining, troubleshooting, and enhancing source code, microservices, and application frameworks. &bullet; Experience developing cloud-native applications using containerized architectures. &bullet; Strong understanding of RESTful API design, event-driven architectures, and 12-factor application principles. &bullet; Experience developing applications for container-based deployment environments such as Amazon ECS, Amazon EKS, Kubernetes, or Red Hat OpenShift. &bullet; Knowledge of secure software development practices, including vulnerability remediation, dependency management, and secrets protection. &bullet; Experience working within CI/CD and DevSecOps development environments. &bullet; Ability to contribute to AI-enabled application features and AI-assisted testing workflows. &bullet; Strong analytical, debugging, problem-solving, and communication skills. &bullet; Ability to work independently and collaborate effectively within multidisciplinary Agile teams.

Preferred Qualifications

Programming & Development

&bullet; Additional programming experience with Python or Go. &bullet; Experience integrating AI/ML functionality into Java-based applications. &bullet; Familiarity with automated test generation using AI or large language models.

Cloud & Container Platforms

&bullet; Amazon ECS, Amazon EKS, Kubernetes, and Red Hat OpenShift. &bullet; AWS GovCloud and commercial AWS environments. &bullet; Multi-account AWS architectures. &bullet; Experience migrating applications from on-premises infrastructure to AWS. &bullet; MongoDB and PostgreSQL integration.

DevSecOps & Security

&bullet; GitLab, Tekton, Argo CD, HashiCorp Vault, and automated security scanning tools. &bullet; Experience remediating SAST/SCA findings. &bullet; FISMA High and FedRAMP High environments. &bullet; NIST 800-53 security controls and STIG hardening. &bullet; Experience developing applications within security-sensitive federal environments.

Industry & Methodology

&bullet; Experience supporting federal government technology programs. &bullet; Aviation, flight services, or other mission-critical operational systems. &bullet; Scaled Agile Framework (SAFe).

Available Engineering Levels

Software Developer III (T3) – Mid/Senior

&bullet; Independently develop, enhance, test, and maintain complex software components. &bullet; Take ownership of assigned development tasks and technical deliverables. &bullet; Troubleshoot application issues and contribute to design and implementation decisions. &bullet; Collaborate with engineering teams to deliver reliable, secure software.

Software Developer IV (T4) – Lead

&bullet; Own key development objectives spanning multiple technical areas. &bullet; Lead complex application development efforts and guide implementation decisions. &bullet; Provide technical direction and support collaboration across engineering teams. &bullet; Help establish coding standards, development practices, and architectural consistency.

Software Developer V (T5) – Principal/Senior Staff

&bullet; Provide advanced technical leadership for complex software development initiatives. &bullet; Lead technical staff and drive the development of new software solutions. &bullet; Influence application architecture, technology selection, and long-term development strategies. &bullet; Resolve highly complex eng

Jobot is an Equal Opportunity Employer. We provide an inclusive work environment that celebrates diversity and all qualified candidates receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, age (40 and over), disability, military status, genetic information or any other basis protected by applicable federal, state, or local laws. Jobot also prohibits harassment of applicants or employees based on any of these protected categories. It is Jobot’s policy to comply with all applicable federal, state and local laws respecting consideration of unemployment status in making hiring decisions.

Sometimes Jobot is required to perform background checks with your authorization. Jobot will consider qualified candidates with criminal histories in a manner consistent with any applicable federal, state, or local law regarding criminal backgrounds, including but not limited to the Los Angeles Fair Chance Initiative for Hiring and the San Francisco Fair Chance Ordinance.

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By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners. Frequency varies for text messages. Message and data rates may apply. Carriers are not liable for delayed or undelivered messages. You can reply STOP to cancel and HELP for help. You can access our privacy policy here: jobot.com/privacy-policy

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More about this job

Skills

Oracle Java
AWS
Microservices
Collaboration
Process improvement
Software development
Troubleshoot
Software frameworks
API development
Debugging
Kubernetes
Red Hat OpenShift
MongoDB
PostgreSQL
CI/CD
GitLab
ML
Test automation
Quality assurance
Leadership
Troubleshooting
RESTful API
Problem solving
Communication skills
Work independently
Python
Go

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