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CU
Cubic

Software Engineer I/II – Release Engineering

Salary$92k – $105k
LocationAshburn, Virginia
Typefull-time
SeniorityMid
Experience2–4 yrs
Company size1,001–5,000 people
PostedSep 21, 2026 · 3w ago
Verified live2h ago
At a glanceSummarised by Seekless from the posting.
Must have11
Approximately 2–4 years of professional software engineering, DevOps, platform engineering, or release engineering experience
Ability to obtain a security clearance
Working knowledge of Git, branching, tagging, pull requests, and structured versioning
Experience with CI/CD systems and automated build or deployment pipelines
Familiarity with containers and modern deployment environments
Ability to read and troubleshoot code in at least one modern programming language
Comfort working across multiple repositories and tracking dependencies between components
Experience diagnosing build, test, configuration, or deployment failures
Strong written communication and attention to detail
Ability to follow an established release process while identifying practical improvements
Willingness to coordinate work across multiple engineering teams and release schedules
Nice to have7
Experience with Kubernetes, deployment charts, container registries, and image promotion
Familiarity with backend, frontend, or systems programming languages and frameworks
Experience maintaining release notes, upgrade documentation, or deployment runbooks
Familiarity with API contracts, service interfaces, and distributed systems
Experience with integration or end-to-end testing in containerized environments
Exposure to software supply-chain practices such as dependency scanning, artifact signing, SBOM generation, or vulnerability management
Experience supporting coordinated releases across related products or platforms
Skills
Git
CI/CD
Kubernetes
containers
Python
Business Unit:
About the company
Cubic Defense
Company Details:
About the role
We are seeking a junior-to-mid-level software engineer to own and improve the release process for a distributed software platform, coordinating its releases with the broader product release cycle.
The platform comprises a web-based control plane, runtime services, platform adapters, deployment charts, supporting components, and shared contract libraries. This engineer will work across those components to assemble, validate, document, and deliver reliable releases.
This role is well suited to an engineer who enjoys automation, systems integration, and making complex release processes predictable. The successful candidate will initially execute releases with support from senior engineers and progressively assume end-to-end ownership.
Job Details:
Key Responsibilities
•
Fix software defects and update dependencies to address security vulnerabilities.
•
Plan and execute platform releases in coordination with the broader product release schedule.
•
Coordinate versioning and release readiness across repositories, services, deployment charts, container images, and supporting components.
•
Maintain release branches, tags, changelogs, release notes, and supporting documentation.
•
Build and improve CI/CD automation for compiling, testing, packaging, publishing, and deploying releases.
•
Validate releases in representative environments before promotion.
•
Verify compatibility among control-plane services, runtime components, platform adapters, shared contracts, and supported integrations.
•
Track dependencies and component revisions included in each release.
•
Coordinate with engineers, product owners, quality teams, platform teams, and other stakeholders on release scope and timing.
•
Investigate failed builds, deployments, and release-validation tests.
•
Document known issues, upgrade requirements, rollback procedures, and operational considerations.
•
Establish repeatable release checklists, quality gates, and readiness reporting.
•
Identify manual release steps and incrementally replace them with safe automation.
•
Participate in post-release verification and resolve or escalate release-related issues.
Requirements
Required Qualifications
•
Approximately 2 –4 years of professional software engineering, DevOps, platform engineering, or release engineering experience.
•
Ability to obtain a security clearance
•
Working knowledge of Git, branching, tagging, pull requests, and structured versioning.
•
Experience with CI/CD systems and automated build or deployment pipelines.
•
Familiarity with containers and modern deployment environments.
•
Ability to read and troubleshoot code in at least one modern programming language.
•
Comfort working across multiple repositories and tracking dependencies between components.
•
Experience diagnosing build, test, configuration, or deployment failures.
•
Strong written communication and attention to detail.
•
Ability to follow an established release process while identifying practical improvements.
•
Willingness to coordinate work across multiple engineering teams and release schedules.
Nice to have
Preferred Qualifications
•
Experience with Kubernetes, deployment charts, container registries, and image promotion.
•
Familiarity with backend, frontend, or systems programming languages and frameworks.
•
Experience maintaining release notes, upgrade documentation, or deployment runbooks.
•
Familiarity with API contracts, service interfaces, and distributed systems.
•
Experience with integration or end-to-end testing in containerized environments.
•
Exposure to software supply-chain practices such as dependency scanning, artifact signing, SBOM generation, or vulnerability management.
•
Experience supporting coordinated releases across related products or platforms.
Cubic Pay Range:
$92,000.00 - $105,000.00 + benefits.
Legal
The Cubic pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Worker Type:
Employee
We are committed to creating an inclusive workplace and welcome applications from people of all backgrounds. We do not discriminate based on any protected characteristic under applicable law.
More roles at Cubic
Team Lead, Customer ServiceSecurity Manager / Deputy Programme Manager (Area Weapon Effects Simulation) (ILT-A)Field Systems EngineerLead QA EngineerCustomer Service Representative
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