Jobs in the United States

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Added 16 mins ago
Site Reliability Engineer (5757)
SMX
Hartford, CT
Join SMX as a Mid-Level Site Reliability Engineer architecting, automating, and operating high-performance cloud infrastructure for modern AI/ML platforms. In this role, you will bridge…
Added 23 mins ago
Mid Astro Software Engineer
KBR
Colorado Springs, CO
As a Mid Astro Software Engineer, you will be responsible for developing and implementing secure, end-to-end cluster and application lifecycles in cloud environments. You will collaborate…
Added 57 mins ago
Site Reliability Engineer (5757)
SMX
Madison, WI
Join SMX as a Mid-Level Site Reliability Engineer architecting, automating, and operating high-performance cloud infrastructure for modern AI/ML platforms. In this role, you will bridge…
Added 8 hours ago
DevSecOps Engineer (Mid-level)
CGI
Baltimore, MD
CGI is seeking a Mid Level DevSecOps Engineer to support and enhance enterprise shared services platforms utilized by development teams across the organization. The successful candidate…
Added 10 hours ago
DevSecOps Engineer / Security Specialist
TISTA Science and Technology Corporation
Remote-United States
TISTA Science and Technology is seeking a DevSecOps Engineer / Security Specialist to join our growing team.
Added 10 hours ago
DevSecOps Engineer / Security Specialist
TISTA Science and Technology Corporation
Remote-United States
TISTA Science and Technology is seeking a DevSecOps Engineer / Security Specialist to join our growing team.
Added 10 hours ago
DevSecOps Engineer / Security Specialist
TISTA Science and Technology Corporation
Remote-United States
TISTA Science and Technology is seeking a DevSecOps Engineer / Security Specialist to join our growing team.
Added 10 hours ago
DevSecOps Engineer / Security Specialist
TISTA Science and Technology Corporation
Remote-United States
TISTA Science and Technology is seeking a DevSecOps Engineer / Security Specialist to join our growing team.
Added 10 hours ago
DevSecOps Engineer / Security Specialist
TISTA Science and Technology Corporation
Remote-United States
TISTA Science and Technology is seeking a DevSecOps Engineer / Security Specialist to join our growing team.
Added 10 hours ago
DevSecOps Engineer / Security Specialist
TISTA Science and Technology Corporation
Remote-United States
TISTA Science and Technology is seeking a DevSecOps Engineer / Security Specialist to join our growing team.
Added 10 hours ago
DevSecOps Engineer / Security Specialist
TISTA Science and Technology Corporation
Remote-United States
TISTA Science and Technology is seeking a DevSecOps Engineer / Security Specialist to join our growing team.
Added 10 hours ago
DevSecOps Engineer / Security Specialist
TISTA Science and Technology Corporation
Remote-United States
TISTA Science and Technology is seeking a DevSecOps Engineer / Security Specialist to join our growing team.
Added 16 hours ago
Advanced Information Technologist – Mid Level Cloud Engineer
The Boeing Company
Hazelwood, MO
Boeing Defense, Space & Security (BDS) is hiring an Advanced Information Technologist – Mid Level Cloud Engineer for the Digital Infrastructure Segment of a Proprietary Program in Saint…
Added 16 hours ago
Advanced Technologist - Mid-Level Cloud Engineer
The Boeing Company
Hazelwood, MO
Boeing Defense, Space & Security (BDS) is hiring an Advanced Information Technologist – Mid-Level Cloud Engineer for the Digital Infrastructure Segment of a Proprietary Program in Saint…
Added 17 hours ago
Software Engineer-Mid
Iron EagleX Inc
United States
The Software Engineer-Mid will support United States Army Special Operations Command (USASOC) located at Ft. Bragg (Fayetteville), North Carolina.
Added 19 hours ago
DevOps Engineer
Bigbear.ai
UNAVAILABLE
At BigBear.ai our team supports mission-focused software development, data operations, and DevSecOps practices across DoD environments. We integrate modern engineering tools, cloud…
Added 21 hours ago
DevSecOps/Software Infrastructure Engineer – Level 2/3 (Chandler) (AHT)
Northrop Grumman
Chandler
The Glide Phase Interceptor (GPI) Flight Software Team is seeking an early- to mid-career DevSecOps/Software Infrastructure Engineer to strengthen the software factory supporting flight…
Added 21 hours ago
Software Engineer-Mid
Iron EagleX Inc
United States
The Software Engineer-Mid will support the Intelligence Data Science Team supporting Digital-ISR initiatives located at the Special Reconnaissance Enablement Command (SREC) under United…
Added 21 hours ago
Software Engineer-Mid
Iron EagleX Inc
United States
The Software Engineer-Mid will support the Intelligence Data Science Team supporting Digital-ISR initiatives located at Special Operations Command Eurpore (SOCEUR) located at Patch…
Added 22 hours ago
DevSecOps Engineer, Mid
ASM Research, An Accenture Federal Services Company
Columbus, OH
The DevSecOps Engineer, Mid provides engineering leadership to design, secure, and automate delivery pipelines and infrastructure that support mission‑critical applications. This role owns…
Added 23 hours ago
DevSecOps/Software Infrastructure Engineer – Level 2/3 (Chandler) (AHT)
SP - Launch Vehicles
United States
The Glide Phase Interceptor (GPI) Flight Software Team is seeking an early- to mid-career DevSecOps/Software Infrastructure Engineer to strengthen the software factory supporting flight…
Added 1 day ago
Cyber Exploiter/Vulnerability Assessment Engineer (TS/SCI with Poly Required)
GCI
Chantilly, VA
Added 1 day ago
Experienced / Mid-Career Software Engineer - Anti-Tamper (AT)-***Signing Bonus Potential***
The Boeing Company
Oklahoma City, OK
…City, Oklahoma is growing and currently seeking a Experienced / Mid-Career Software Security Engineer, in the field of Anti-Tamper. This position will support the Mobility, Surveillance &…
Added 1 day ago
Product Owner (Hybrid) - 30854
Huntington Ingalls Industries
Fort Meade, MD
Own the customer experience success from start to finish. Work closely with company development and engineer teams to ensure DevSecOps pipeline delivery dates track with customer targets…
Added 1 day ago
TC
Cloud Engineer, Mid.
Technica Corporation
Washington, DC
- $114,000 to $136,000 USD / year
Technica Corporation is seeking highly skilled Cloud Engineer, Mid. The Cloud Developer is responsible for developing the cloud service delivery models and architectural framework to enable…

Castalia Systems

Full Stack Software Engineer – Mid

Joint Base Anacostia- Bolling (JBAB), DC, United States

The projected compensation range for this position is $95,000.00 to $100,000.00 (annualized USD).

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Job details

Pay: The projected compensation range for this position is $95,000.00 to $100,000.00 (annualized USD).
Working hours: 30 hours per week
Posting language: English
Posted: Sep 29, 2026

Original job description

Job Type: Full- Time

Workplace Type: Onsite

Clearance: TS/SCI willingness to take a polygraph exam

Must be a U.S. Citizen

Job Summary

Systems is seeking a Mid-Level Full Stack Software Engineer with the skills needed to develop, integrate, test, and maintain software capabilities from requirements through production delivery. You’ll work across the technology stack and collaborate with other engineers, architects, product owners, and mission stakeholders to translate requirements into reliable and maintainable software solutions.

Roles and Responsibilities

A qualified candidate will perform the following duties and responsibilities, but are not limited to:

Use modern development tools, frameworks, and cloud technologies to solve challenging technical and mission problems.
Develop backend services, APIs, data integrations, and user-facing capabilities while working within established application architectures and engineering standards.
Participate in technical design discussions, troubleshoot application issues, conduct code reviews, and contribute to improvements in software quality and maintainability.
Work alongside senior engineers to evaluate technical approaches, learn new tools and technologies, and continuously improve the team's development and delivery practices.

Required Qualifications

Bachelor's degree in Computer Science, Engineering, Information Technology, or a related technical field, or additional software engineering experience in lieu of a degree.
4+ years of experience in software engineering, including developing, testing, integrating, or maintaining software applications.
3+ years of experience developing applications using Python, Java, or another object-oriented programming language.
2+ years of experience developing web applications using frontend technologies or frameworks, such as React or Angular.
Experience developing or integrating backend services and RESTful APIs.
Experience developing applications using relational databases, such as PostgreSQL, and working with SQL.
Experience working within Agile software development environments using methodologies such as Scrum or Kanban.
Experience using software development and task management tools, such as Jira.
TS/SCI clearance with a polygraph.

Preferred Qualifications

Experience developing production applications with Python.
Experience developing enterprise web applications.
Experience with microservices, distributed systems, or event-driven architectures.
Experience with AWS cloud-native or serverless application development.
Experience with Infrastructure as Code technologies such as CloudFormation.
Experience building or maintaining CI/CD pipelines (Gitlab, Github Actions, Jenkins).
Experience with Kubernetes or other container orchestration technologies.
Experience with automated unit, integration, or end-to-end testing.
Experience with application authentication, authorization, logging, monitoring, or observability.
Experience working in DevSecOps software delivery environments.

Physical Requirements/Work Environment

Normal office environment.

Travel

As required

Company Description

Castalia Systems is a proven business partner providing mission critical solutions to the Federal Government. We provide cutting edge solutions from Securing and Managing Data to Systems Engineering and Development. Castalia Systems is a pioneer in Artificial Intelligence Design and Application.

With our vast knowledge of our customers’ needs and relevant technology, our team is able to bring successful solutions to every mission. We are one-upping our competitors by providing premium IT solutions and platforms with cutting-edge technology so it’s so evident when you compare us with anyone.

Compensation

At Castalia Systems, we provide you with opportunities and choices and support your total well-being. Our benefits include: Medical, dental, vision coverage, 401k matching, generous PTO, paid holidays, professional training opportunities, and even pet insurance to ensure your furry friends are cared for too. All regularly scheduled employees working at least 30 hours per week are eligible to participate in Castalia Systems’ benefit programs. Individuals that do not meet the threshold are only eligible for select offerings, not inclusive of health benefits.

Salary at Castalia Systems is determined by various factors, including but not limited to location, position knowledge, skills, competencies, and experience, as well as contract-specific affordability and organizational requirements. The projected compensation range for this position is $95,000.00 to $100,000.00 (annualized USD). The estimate displayed represents the typical salary range for this position and is just one component of Castalia Systems’ total compensation package for employees.

Disclaimer

Castalia Systems is an equal employment opportunity and affirmative action employer and strives to comply with all applicable laws prohibiting discrimination based on race, color, creed, sex, sexual orientation, age, national origin, or ancestry, physical or mental disability, veteran status, marital status, HIV-positive status, as well as any other category protected by federal, state, or local laws. All such discrimination is unlawful, and all persons involved in the operations of the company are prohibited from engaging in this type of conduct.

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More about this job

Skills

Cloud technologies
Troubleshoot
Computer science
Computer technology
Python
Oracle Java
Object-oriented programming
React
API development
PostgreSQL
SQL
Agile
Software development
Scrum
Kanban
Manage schedule of tasks
Jira
Microservices
AWS
Infrastructure as code
CI/CD
GitLab
GitHub
Jenkins
Kubernetes

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