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Added 2 mins ago
DevSecOp Engineer
MANTECH
Patrick AFB, FL
ManTech seeks a motivated, customer-oriented DevSecOp Engineer to join our team at Cape Canaveral, Florida.
Added 9 mins ago
A
Electrical Test Engineer
Actalent
Golden Valley, MN
- $45 to $65 USD / hour
Senior Test Engineer We are seeking a Senior Test Engineer to lead system verification, reliability validation, and test strategy development for complex robotic and electro-mechanical…
Added 9 mins ago
Staff IAM Engineer - Ping Identity and Directory Services
CVS Health
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As a Senior IAM Engineer, you will support and enhance enterprise Identity and Access Management (IAM) platforms, including Ping Identity, LDAP directory services, and authentication…
Added 9 mins ago
UG
Senior Full Stack Software Engineer
UnitedHealth Group
Eden Prairie, MN
- $91,700 to $163,700 USD / year
The Cyber Defense Tooling team is looking for a Senior Software Engineer to be a part of our development group. This individual will be tasked in helping maintain and advancing our in-house…
Added 10 mins ago
IG
Agentic Developer
Insight Global
Remote, United States
- $155,000 to $225,000 USD / year
…AI-driven platforms. We expect you to be a "Full-Stack Agent Engineer." You should be comfortable taking complex business requirements and building a multi-step AI workflow that solves it.…
Added 10 mins ago
Full-stack Engineer 5
Capital One
NY
Utilize programming languages like Java, Scala, Python, Go, Node.js, JavaScript and TypeScript, Open Source RDBMS and NoSQL databases, Container Orchestration services including Docker and…
Added 12 mins ago
Principal Data Architect
Babel Street
Reston, VA · Somerville, MA
…reviews and coding standards for data engineering. Mentoring senior engineers, partnering with our offshore engineering teams, and being the escalation point for the hardest data…
Added 13 mins ago
Sr Software Engineer
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Burlington, VT
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Added 18 mins ago
Senior Modeling Engineer
York International Corp.
United States
Johnson Controls’ Data Center Thermal Technology Solutions group is seeking a Research and Advanced Development Engineer. As a member of the modeling team, you will develop and apply…
Added 20 mins ago
AP
Senior Automation Scientist/Engineer - Biologics Engineering
AstraZeneca Pharmaceuticals LP Company
Gaithersburg, MD
- $124,000 to $171,000 USD / year
We are seeking a Senior Automation Scientist/Engineer to help drive this transformation by embedding laboratory automation and robotics into our workflows and shaping the future of…
Added 21 mins ago
JH
Senior Missile Test and Evaluation Engineer
Johns Hopkins Applied Physics Laboratory
Laurel, MD
- $100,000 USD / year
We are seeking a Senior Missile Test and Evaluation Engineer to provide technical leadership in the planning, execution, and analysis of test and evaluation activities for developmental…
Added 21 mins ago
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Senior Reentry Systems Engineer – Performance & Systems Analysis
Johns Hopkins Applied Physics Laboratory
Laurel, MD
- $100,000 USD / year
We are seeking a Senior Reentry Systems Engineer to provide technical leadership in independent design assessments, performance evaluations, and data analysis for strategic reentry systems…
Added 21 mins ago
JH
Senior Missile Performance & Flight Systems Engineer
Johns Hopkins Applied Physics Laboratory
Laurel, MD
- $100,000 USD / year
We are seeking a Senior Missile Performance & Flight Systems Engineer to provide technical leadership in the modeling, simulation, and performance assessment of missile systems and…
Added 22 mins ago
Data Engineer
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San Francisco, CA
The Golden State Warriors are looking for an experienced Data Engineer to join the growing Business Strategy and Analytics team. In this role, you will help us achieve our mission of…
Added 23 mins ago
Principal Radar Systems Engineer
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Remote, United States
…into users’ hands and is seeking a Principal Radar Systems Engineer to support/lead the architecting, design, development, and implementation of radar systems that meet challenging customer…
Added 24 mins ago
Senior Full Stack Engineer
Humana
Nashville, TN
Humana is seeking a Senior Full Stack Software Engineer who will be responsible for building and enhancing the UI/UX layer of Humana's Enterprise Data Governance Platform and Control Plane.
Added 24 mins ago
Sr Software Engineer
Cengage Group
Nashville, TN
Following the Product Operating Model (POM), you will collaborate with product and design teams in your role as senior software engineer. Together you will focus on improving customer…
Added 27 mins ago
Senior Platform Engineer
ChargeItSpot LLC
Philadelphia, PA
ARC by ChargeItSpot is seeking a Senior Platform Engineer to design, build, and maintain the core platform services our engineering teams rely on. This role owns the CI/CD pipelines,…
Added 27 mins ago
Senior Database Reliability Engineer
Penn Interactive
Remote, United States
We are looking for a Senior Database Reliability Engineer to join our thriving Engineering team, to work cross-functionally across engineering, focusing on the architecture for optimal…
Added 27 mins ago
Senior Database Reliability Engineer
Penn Interactive
Remote, United States
We are looking for a Senior Database Reliability Engineer to join our thriving Engineering team, to work cross-functionally across engineering, focusing on the architecture for optimal…
Added 27 mins ago
Chemical or Materials Engineer/Scientist
Exponent Inc.
Seattle, WA
We are currently seeking a Chemical Engineer or Materials Engineer/Scientist for our Polymers and Chemistry Practice in Seattle. In this role you will work as part of an interdisciplinary…
Added 28 mins ago
S
Full Stack Software Engineer
SonoSim
Venice, CA
- $120,000 to $130,000 USD / year
We are seeking a mid-level Full Stack Software Engineer (4+ years experience) to build, ship, and scale core features across the SonoSim LMS platform. Working alongside Lead, Senior, and…
Added 30 mins ago
Senior Data Engineer
Ochsner Clinic Foundation
New Orleans Region, LA
The Senior Data Engineer is responsible for designing, developing, implementing, and optimizing enterprise‑grade solutions and architectures, while ensuring scalability, performance,…
Added 35 mins ago
Gate-level Noise (Signal Integrity) / STA CAD Engineer
Apple
Austin, TX · Sunnyvale, CA
…closure using industry-standard tools, under the guidance of senior engineers. You will work closely with CAD and physical design teams, assist with tool qualifications, help execute…
Added 35 mins ago
Gate-level Noise (Signal Integrity) / STA CAD Engineer
Apple
Austin, TX · Sunnyvale, CA
…closure using industry-standard tools, under the guidance of senior engineers. You will work closely with CAD and physical design teams, assist with tool qualifications, help execute…

Jobot

Principal Systems Engineer

Gaithersburg, MD, United States

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

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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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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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