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Senior Security Engineer - Cloud
Muon Space
San Jose, CA
Muon seeks a Senior Security Engineer to join our Security Engineering & IT team. The ideal candidate brings deep expertise across multiple security domains and can operate independently to…
Added just now
Senior Security Engineer - Aerospace
Muon Space
San Jose, CA
Muon seeks a Senior Security Engineer to join our Security Engineering & IT team. The ideal candidate brings deep expertise across multiple security domains and can operate independently to…
Added 1 min ago
Engineer I - ST - Partner Technology (Nashville, TN - U.S.)
Starbucks Coffee Company
TN
Improve application quality through unit, integration, and automated UI testing.
Added 1 min ago
Engineer, Energy, Sweeny Refinery
Phillips 66
Sweeny, TX
As an Engineer, Energy, you’ll help improve the refinery’s energy performance, reliability, and emissions profile. You’ll analyze energy use across heaters, boilers, heat exchangers, and…
Added 1 min ago
MS
Endpoint Support Specialist
Matheny School and Hospital
Peapack, NJ
- $26.15 to $29.74 USD / hour
…patients as they attain their highest level of functioning and integration into the community. Matheny's Arts Access program empowers individuals with disabilities to create art without…
Added 2 mins ago
Automation & Integration Engineer
Ascendium Brand
Madison, WI
Ascendium is seeking an Automation & Integration Engineer to design, implement, and support practical automation, reporting, and system integration solutions that improve how our business…
Added 2 mins ago
Senior Data Integration Engineer
Everon
Irving, TX
The Senior Data Integration Engineer designs, develops, implements, and supports secure, scalable, and reliable integrations across enterprise applications, databases, cloud platforms,…
Added 3 mins ago
Senior Solutions Engineer-ERP (term-limited)
Seattle, WA
The Senior Solutions Engineer is responsible for determining requirements, designing, developing, debugging, testing, implementing, maintaining, administering, monitoring and supporting…
Added 4 mins ago
Staff Software Engineer - Developer Experience
Addepar
Remote, United States
We are seeking a highly proactive Staff Software Engineer to drive the architecture of our next-generation validation guardrails and spearhead our AI-native developer experience across the…
Added 6 mins ago
A
Test Engineer - NISSC 3 - COS
Amentum
Colorado Springs, CO
- $105,000 to $120,000 USD / year
The Test Engineer supports North American Aerospace Defense Command (NORAD) Cheyenne Mountain Complex (NCMC) Integrated Tactical Warning/Attack Assessment (ITW/AA) and Space Support…
Added 9 mins ago
Project Engineer III - Component Development
Blue Origin Personnel, LLC
United States
As an Project Engineer at Blue Origin, you will own the full lifecycle of ordnance hardware - from design and qualification through delivery and installation on the vehicle. You will…
Added 9 mins ago
Launch and Test Engineer III (Avionics)
Blue Origin Personnel, LLC
Space Coast, FL
We are seeking a hands-on, detail-oriented Launch & Test Engineer to join our OLS Test Operations team within the Launch Site Execution (LSE) branch of the Launch Operations Division at…
Added 9 mins ago
Test Engineer II | Launch Ops (Mechanical/Fluids)
Blue Origin Personnel, LLC
Space Coast, FL
We are seeking a hands-on, detail-oriented Test and Launch Engineer to join our Launch Operations team at Blue Origin. As a part of a small, passionate, and accomplished team of experts,…
Added 9 mins ago
Sr. RF Communications Systems Engineer – Ground Segment
Blue Origin Personnel, LLC
Reston, VA · Huntsville, AL · Denver, CO
As a Sr. RF Communications Systems Engineer, you will work closely with an accomplished team of Ground System, Software, Mission Systems and Flight Operations Engineers. You will lead and…
Added 9 mins ago
MK1 Engineer - Fluid Systems II
Blue Origin Personnel, LLC
Space Coast, FL
This role is for a Fluids Test Engineer within the MK1 Integration and Test team, supporting our mission to return humans to the Moon and extend human presence permanently beyond the bounds…
Added 9 mins ago
SDE III for Manufacturing Systems
Blue Origin Personnel, LLC
United States
We are looking for a Software Development Engineer (preferably with prior MES experience) who will own the backend infrastructure and ongoing management of internally built applications. In…
Added 9 mins ago
Fluids Test Engineer III - Lunar Permanence
Blue Origin Personnel, LLC
Space Coast, FL
This role is for a Fluids Test Engineer within the System Test team, supporting our mission to return humans to the Moon and extend human presence permanently beyond the bounds of Earth.
Added 9 mins ago
Avionics Subsystems, Aerospace Systems Engineer 3
Blue Origin Personnel, LLC
Space Coast, FL · Denver, CO
…and control, communications, power systems, as well as the integration and testing of the systems. You will share in the team’s impact on all aspects of spacecraft integration by…
Added 9 mins ago
Instrumentation & Controls Design Engineer III
Blue Origin Personnel, LLC
Space Coast, FL
Demonstrate knowledge of instrumentation theory coupled with integration into data acquisition hardware (National Instrument, Dewesoft, or similar)
Added 11 mins ago
Junior Software Engineer
LEIDOS, INC.
Tucson, AZ · Alexandria, VA · St. Louis, MO · Gaithersburg, MD · Chantilly, VA · Englewood, CO
…real-world impact? Leidos is seeking a talented Junior Software Engineer to join the Chinook Program supporting an Intelligence Community (IC) customer and helping evolve an application…
Added 11 mins ago
UG
Principal Information Security Engineer
UnitedHealth Group
Eden Prairie, MN
- $112,700 to $193,200 USD / year
Promote continued integration of technological advances to further enhance security and reduce risks
Added 13 mins ago
UG
Senior Software Engineer - Remote
UnitedHealth Group
Eden Prairie, MN
- $91,700 to $163,700 USD / year
The Sr Software Engineer is a senior technical contributor responsible for designing, developing, deploying, and supporting scalable, secure, and high-performing software solutions. This…
Added 13 mins ago
AI Integration Engineer
Littelfuse, Inc.
United States
The AI Integration Engineer will support multiple engineering functions including New Product Development and Introduction, Application Engineering, Project Management, and Sustaining…
Added 15 mins ago
Systems Analyst (Site Reliability Engineer) On-Sire, Oak Ridge, TN
Hewlett Packard Enterprise
All, TN
Application Build and Configuration Knowledge: Strong understanding of application build processes, including compiler configurations, library integration, and dependency management, to…
Added 15 mins ago
Systems Analyst (Site Reliability Engineer) On-Site, Oakridge, TN
Hewlett Packard Enterprise
All, TN
Application Build and Configuration Knowledge: Strong understanding of application build processes, including compiler configurations, library integration, and dependency management, to…

Closed listing

Vantor Services Inc.

Mid-level Back-End Software Engineer (TS/SCI)

Herndon, VA, United States
Westminster, CO, United States

This opening has closed.

The original listing is kept below for reference.

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About employer

Job details

Experience: Bachelor's degree in computer science, software engineering, information systems, or related field with 8+ years of total professional experience in a technical support role
Posting language: English
Posted: Nov 3, 2026

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Original job description

Archived listing. The details below describe a past opening.

Vantor is forging the new frontier of spatial intelligence, helping decision makers and operators navigate what’s happening now and shape what’s coming next. Vantor is a place for problem solvers, changemakers, and go-getters - where people are working together to help our customers see the world differently, and in doing so, be seen differently. Come be part of a mission, not just a job, where you can: Shape your own future, build the next big thing, and change the world.

To be eligible for this position, you must be a U.S. Citizen. This position requires an active U.S. Government security clearance, applicants who do not currently hold the required clearance will not be eligible for consideration. Employment for cleared roles is contingent upon verification of clearance status.

Export Control/ITAR: Certain roles may be subject to U.S. export control laws, requiring U.S. person status as defined by 8 U.S.C. 1324b(a)(3).

Please review the job details below.

This position requires an active U.S. Government Security Clearance at the TS/SCI level.

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. Government customer. The successful candidate will develop and maintain scalable, secure, and high-performance server-side applications, services, APIs, and supporting software components that enable data ingestion, processing, integration, and analytics capabilities.

The engineer will work within a multidisciplinary Agile development team, collaborating with data engineers, data scientists, front-end developers, systems engineers, and government stakeholders to deliver reliable, mission-focused software solutions. The role requires strong software engineering fundamentals, experience developing distributed applications, and the ability to contribute throughout the software development lifecycle.

Principal Responsibilities:

Back-End Application Development: Design, develop, test, and maintain scalable server-side applications, services, microservices, and supporting software components.
API and System Integration: Develop and maintain RESTful APIs and service interfaces to facilitate integration between data platforms, applications, databases, and external systems.
Data Platform Enablement: Build software components and services that support data ingestion, processing, querying, access, and analytics across distributed data environments.
Performance, Reliability, and Security: Optimize application performance, troubleshoot complex software issues, and implement appropriate security, authentication, authorization, and error-handling mechanisms.
Agile Development and Collaboration: Participate in technical design reviews, code reviews, automated testing, CI/CD activities, and Agile development ceremonies; collaborate with cross-functional engineering teams to deliver and sustain platform capabilities.

Minimum Qualifications:

Must be a U.S. Citizen with an active TS/SCI clearance (with willingness to obtain a CI poly)
Bachelor's degree in computer science, software engineering, information systems, or related field with 8+ years of total professional experience in a technical support role
Demonstrated experience in software engineering, back-end application development, or a related technical discipline.
Strong proficiency in at least one modern back-end programming language, such as Python, Java, Go, or C#, with demonstrated experience developing production-quality software.
Experience designing and developing RESTful APIs, server-side applications, and distributed software components, with proficiency in relational and/or NoSQL databases.
Willingness to work onsite at least 75% (or as needs dictate) from either Herndon, VA or Westminster, CO.

Preferred Qualifications:

Experience developing microservices and distributed applications using frameworks such as Spring Boot, FastAPI, Flask, .NET, or similar technologies.
Familiarity with big data technologies and distributed processing frameworks such as Apache Spark, Hadoop, Kafka, or Elasticsearch.
Experience with cloud platforms and services, particularly AWS, Microsoft Azure, or Google Cloud Platform.
Familiarity with containerization and orchestration technologies such as Docker and Kubernetes.
Experience with CI/CD pipelines, Git-based version control, automated testing, and DevSecOps practices.
Knowledge of software security principles, secure coding practices, and application security frameworks such as OAuth 2.0 and OpenID Connect.
Experience with Agile/Scrum development methodologies, automated software testing, and infrastructure-as-code tools.
Experience supporting government, defense, intelligence, or other regulated environments.

#cjpost

Pay Transparency: In support of pay transparency at Vantor, we disclose salary ranges on all U.S. job postings. The successful candidate’s starting pay will fall within the salary range provided below and is determined based on job-related factors, including, but not limited to, the experience, qualifications, knowledge, skills, geographic work location, and market conditions. Candidates with the minimum necessary experience, qualifications, knowledge, and skillsets for the position should not expect to receive the upper end of the pay range.

The base pay for this position within California, Colorado, Hawaii, New Jersey, the Washington, DC metropolitan area, and for all other states is:

$140,000.00 - $200,000.00 Benefits: Vantor offers a competitive total rewards package that goes beyond the standard, including a robust 401(k) with company match, mental health resources, and unique perks like student loan repayment assistance, adoption reimbursement and pet insurance to support all aspects of your life. You can find more information on our benefits at: https://www.Vantor.com/careers

The application window is three days from the date the job is posted and will remain posted until a qualified candidate has been identified for hire. If the job is reposted regardless of reason, it will remain posted three days from the date the job is reposted and will remain reposted until a qualified candidate has been identified for hire.

The date of posting can be found on Vantor's Career page at the top of each job posting.

To apply, submit your application via Vantor's Career page.

EEO Policy: Vantor is an equal opportunity employer committed to an inclusive workplace. We believe in fostering an environment where all team members feel respected, valued, and encouraged to share their ideas. All qualified applicants will receive consideration for employment without regard to race, color, religion, national origin, sex, gender identity, sexual orientation, disability, protected veteran status, age, or any other characteristic protected by law.

About employer

More about this job

Skills

Agile development
Software development
Microservices
ICT system integration
API development
Troubleshoot
Test automation
CI/CD
Computer science
Technical support
Python
Oracle Java
Go
C#
NoSQL
Spring Boot
Flask
.NET
Apache Spark
Apache Hadoop
Apache Kafka
Elasticsearch
AWS
Microsoft Azure
Google Cloud
Docker
Kubernetes
Git
Agile
Scrum
Infrastructure as code

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