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Added 2 mins ago
AI Evaluation Engineer
Sedgwick Claims Management Services Inc.
Telecommuter, FL
PRIMARY PURPOSE: The AI Evaluation Engineer designs, builds, and operates the evaluation systems that determine whether our GenAI solutions are accurate, safe, reliable, and ready for…
Added 3 mins ago
Senior Engineer, Kubernetes Infrastructure
CoreWeave
CA / Bellevue, WA · Livingston, NJ · Manhattan, NY · Sunnyvale, CA
…global enterprises, CoreWeave combines superior infrastructure performance with deep technical expertise to accelerate breakthroughs and turn compute into capability. Founded in 2017,…
Added 4 mins ago
Operations Supervisor, Supply Chain- 2nd Shift
GXO Logistics
Claude, TX
Supervise the team and provide training and coaching to improve performance
Added 4 mins ago
Supervisor, Supply Chain Operations - 1st Shift
GXO Logistics
Muskogee, OK
Supervise the team and provide training and coaching to improve performance
Added 4 mins ago
Operations Supervisor, Supply Chain - 2nd Shift
GXO Logistics
Claude, TX
Supervise the team and provide training and coaching to improve performance
Added 7 mins ago
SS
Staff Perimeter Defense Engineer
State Street
Boston, MA
- $120,000 to $202,500 USD / year
We are looking for a Staff Perimeter Defense Engineer reporting into the Defensive Engineering leadership team within Global Cyber Security (GCS). You will lead the strategy, architecture,…
Added 7 mins ago
Field Service Engineer (San Antonio/Austin, TX)
Fenwal, Inc.
TX
Provide preventative maintenance in accordance with published procedures. Keep performance and maintenance records on the equipment.
Added 8 mins ago
AI Solutions Engineer
UWMSN University of Wisconsin Madison
Remote, United States
…Information Technology is seeking a highly skilled AI Solutions Engineer to design, build, operate, and continuously improve the cloud and hybrid platforms that support AI-enabled services.…
Added 9 mins ago
React / Java Full Stack Software Engineer III
JPMC page
Jersey City, NJ
…development tools within the work environment (e.g., for coding, test creation, troubleshooting, or documentation) with demonstrated ability to critically evaluate, validate, and refine…
Added 10 mins ago
Senior Mission Operations Engineer, Army Command and Control (Active Clearance)
Anduril Industries
Aberdeen, MD · Costa Mesa, CA · Seattle, WA · Washington, DC
…bias to assume responsibility and contribute to a culture of performance. You will actively own the technical and programmatic relationships with key CPE stakeholders, driving challenging…
Added 12 mins ago
Senior Network Security Design Engineer
Core4ce Careers
North Charleston, SC
…and integration of multi-vendor security technologies. The engineer will build and test solutions in laboratory environments, evaluate emerging technologies, and support deployment and…
Added 12 mins ago
F5 Advanced Web Application Firewall Engineer
Core4ce Careers
Remote, United States
Core4ce is seeking an experienced F5 Advanced Web Application Firewall (AWAF) Engineer to support the secure operation of enterprise web applications and application programming interfaces…
Added 13 mins ago
Embedded Software Engineer, Satellite Antenna (Starlink)
SpaceX
Redmond, WA
…characterizing antennas in anechoic chambers, to defining the RF test required to produce hundreds of phased arrays per month, to building tools to analyze the on-orbit performance of our…
Added 13 mins ago
Senior Technician, Layer 1 (Phoenix, AZ)
Opportunities
Remote, United States
Analyze utilization, performance, availability, and capacity to identify optimization opportunities.
Added 13 mins ago
A
Manufacturing Engineer
Actalent
Hawthorne, CA
- $160,000 to $200,000 USD / year
Job Title: Lead Avionics Manufacturing EngineerJob DescriptionThe Lead Avionics Manufacturing Engineer will build and manage a high-performing team responsible for the end-to-end…
Added 13 mins ago
A
Firmware Engineer
Actalent
Carlsbad, CA
- $32 to $37 USD / hour
Job Title: Firmware Test EngineerJob DescriptionWe are seeking a dedicated Firmware Test Engineer to execute manual firmware testing, including functional, regression, integration, and…
Added 13 mins ago
A
Electrical Engineer
Actalent
Poway, CA
- $120,000 to $150,000 USD / year
Job Title: Electrical Engineer Power SystemsJob DescriptionThis role is for an Electrical Engineer specializing in power systems who will support the electrical engineering development team…
Added 13 mins ago
Mechatronics Engineer III
Allen Institute
Seattle, WA
The Mechatronics Engineer III is a hands-on engineering role within the Scientific Instrumentation and Process Engineering (SIPE) team. This position designs, builds, and integrates robotic…
Added 14 mins ago
Software Engineer
Zwift
Remote, United States
Zwift is looking for a Software Engineer to join our team to help rebuild Zwift.com into a modern, reliable, and reusable growth platform. You will contribute to an incremental migration of…
Added 16 mins ago
Sr Cyber Engineer
HealthEquity
United States
Test what you build. Run adversarial testing against AI applications and agents, covering prompt injection, data exfiltration, tool misuse, and privilege abuse, and turn findings into…
Added 16 mins ago
N
Software Engineer, Roku
NBCUniversal
Universal City, CA
- $105,000 to $145,000 USD / year
We're looking for a Roku Software Engineer to own and evolve our Roku channel, from the SceneGraph UI layer down to the playback pipeline and the APIs that feed it. Roku is one of the…
Added 17 mins ago
A
Software Engineer II
Aspirion
Columbus, GA
- $100,000 to $138,000 USD / year
Design, develop, test, and deploy software solutions that address business requirements, ensuring scalability, performance, and security with an AI-first lens
Added 19 mins ago
SA
Senior Staff Systems Security Engineer, Program Protection (TX/DC/Sea) (R6515)
Shield AI
United States
- $175,000 to $315,000 USD / year
Shield AI is seeking a Senior Staff Systems Security Engineer specializing in Program Protection, Anti-Tamper (AT), and Critical Program Information (CPI) to support the development of…
Added 19 mins ago
SA
Senior Engineer, Production Test (R6513)
Shield AI
Seattle, WA
- $140,000 to $210,000 USD / year
Investigate, troubleshoot, and evaluate test anomalies, discrepancies, and system performance issues to support timely resolution.
Added 19 mins ago
WB
Senior Software Engineer, AD/ADAS, Vehicle Platform
Woven by Toyota
Palo Alto, CA
- $140,000 to $230,000 USD / year
…development platform for software-defined vehicles; Woven City, a test course for mobility; and Cloud & AI, the digital infrastructure powering our collaborative foundation.…

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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