Jobs in the United States

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Added 1 hour ago
Systems Engineer
Astraeus Operations LLC
UNAVAILABLE, VA
The Systems Engineer provides on-site, 24/7/365 Tier 1 operations for Google Public Sector’s USG1 sovereign and classified cloud environments, initially supporting Google Distributed Cloud…
Added 1 hour ago
Advanced RF Electronics Engineer
The Aerospace Corporation
Chantilly, VA
Electronic Programs Division’s Directorate E is looking for an Advanced RF Electronics Engineer (Senior Project Leader – Payload Systems Engineering – RF) to help shape customer investments…
Added 1 hour ago
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Network Engineer III
RISA
Springfield, VA
- $107,000 to $117,000 USD / year
Clearance Required to Start: Active TS/SCI (U.S. citizenship required)
Added 1 hour ago
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Firewall Engineer III
RISA
Springfield, VA
- $117,000 to $128,000 USD / year
Clearance Required to Start: Active TS/SCI (U.S. citizenship required)
Added 1 hour ago
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Endpoint Security Engineer III
RISA
St. Louis, MO
- $101,000 to $111,000 USD / year
RISA is hiring a Senior Endpoint Security Engineer to engineer and sustain the endpoint security platforms protecting an Intelligence Community customer's enterprise - Trellix (HBSS),…
Added 1 hour ago
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Cyber Implementation Engineer III
RISA
Springfield, VA
- $117,000 to $128,000 USD / year
Cybersecurity Implementation Engineer (EDR, NDR, AWS)
Added 1 hour ago
Software Engineer
Nightwing Technologies, LLC
Ft George G Meade, MD · San Antonio, TX
Active TS/SCI clearance with ability to obtain CI Polygraph
Added 1 hour ago
Senior Operations Lead
Astraeus Operations LLC
UNAVAILABLE, VA
Active TS/SCI clearance with Full Scope Polygraph.
Added 1 hour ago
Systems Engineer 2 (AWF - 088)
SageCor Solutions
Annapolis Junction, MD
Applies systems engineering principles throughout the systems life cycle phases: Concept, Development, Production, Utilization, Support, and Retirement. Interacts with the Government…
Added 1 hour ago
Systems Engineer 1 (IDN - 199)
SageCor Solutions
Annapolis Junction, MD
The System Engineer shall collaborate closely with customer stakeholders to support a closed
Added 1 hour ago
Software Engineer 3 (IDN - 202)
SageCor Solutions
Annapolis Junction, MD
The Software Engineer shall design, develop, deploy, and support Retrieval-Augmented
Added 2 hours ago
Senior Lead Software Engineer - Network Infrastructure and Automation
Nightwing
Sterling, VA
At Nightwing, we are on a mission to develop resilient and scalable network infrastructure systems that support critical missions. We're looking for a talented Senior Lead Software Engineer…
Added 2 hours ago
Data Engineer (2026-0179)
Acclaim Technical Services
Chantilly, VA
We’re looking for a Data Engineer who is passionate about building modern, scalable solutions for ingesting and transforming data. This role blends back-end engineering with data pipeline…
Added 2 hours ago
Cyber & IT Operations Analytics Engineer
KDA Consulting Inc
Herndon, VA
Must have an active TS/SCI with Polygraph Clearance.
Added 2 hours ago
Systems Engineer – TS/SCI CI Poly
Tenica and Associates LLC
Chantilly, VA
Active Top Secret/SCI clearance with a Counterintelligence (CI) Polygraph.
Added 2 hours ago
Agile System Engineer – TS/SCI CI Poly
Tenica and Associates LLC
Chantilly, VA
Active Top Secret/SCI clearance with a Counterintelligence (CI) Polygraph.
Added 2 hours ago
Agile Release Manager – TS/SCI CI Poly
Tenica and Associates LLC
Chantilly, VA
Active Top Secret/SCI clearance with a Counterintelligence (CI) Polygraph.
Added 2 hours ago
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Test Engineer / System Engineer
Darkstar Intelligence LLC
MD
- $150,000 to $275,000 USD / year
DarkStar Intelligence is seeking a Test Engineer / System Engineer to support the testing, integration, and validation of mission-critical systems in a secure environment. The selected…
Added 2 hours ago
Network Engineer
Two Six Technologies
Herndon, VA
Clearance requirements: TS/SCI with Active Polygraph
Added 2 hours ago
Principal/Sr. Principal Structural Engineer
CORP-Corporate Office
United States
US citizen with ability to obtain a TS/SCI and pass a polygraph.
Added 2 hours ago
Principal / Sr. Principal Software Engineer - Onsite Customer Integration
CORP-Corporate Office
United States
Northrop Grumman Aeronautics Systems Sector has an opening for a Principal / Sr. Principal Software Engineer - Onsite Customer Integration to join Global Surveillance Division supporting…
Added 2 hours ago
Tier 3 MLOPs Engineer (CVT - 004)
SageCor Solutions
Annapolis Junction, MD
-Work with a collaborative Agile development team to manage Tier 3 incidents and help build and maintain Cloud software and infrastructure that supports machine learning and AI across our…
Added 2 hours ago
Tier 3 Data Engineer (CVT - 003)
SageCor Solutions
Annapolis Junction, MD
-Ensure the reliability, performance, scalability, and security of critical production systems and platforms.
Added 2 hours ago
Systems Engineer (CVT - 005)
SageCor Solutions
Annapolis Junction, MD
-4+ years of experience with systems design, engineering, integration, and software development life cycle
Added 2 hours ago
Software Engineer 2 (IDN - 203)
SageCor Solutions
Fort Meade, MD
This is a DevOps focused position. In this position, the DevOps Software Engineer shall be

SageCor Solutions

Software Engineer 3 (IDN - 202)

Annapolis Junction, MD, United States

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Job details

Posting language: English
Posted: Oct 28, 2026

Original job description

Serving Maryland and the Greater Washington D.C. area, SageCor Solutions (SageCor) is a growing company bringing complete engineering services and true full lifecycle System Engineering services to areas requiring (or desiring) nationally-recognized expertise in high performance computing, large data analytics and cutting edge information technologies. Active TS/SCI w/ Polygraph required.

SWE-3 Qualifications:

Master’s degree in computer science or related discipline from an accredited college or university, plus five (5) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity. OR Bachelor’s degree in computer science or related discipline from an accredited college or university, plus seven (7) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity OR Nine (9) years of experience as a SWE, in programs and contracts of similar scope, type, and complexity.

Position Description:

The Software Engineer shall design, develop, deploy, and support Retrieval-Augmented Generation (RAG) solutions within a high-performance computing (HPC) Linux environment. The successful candidate will have hands-on experience with Large Language Models (LLMs), LLM orchestration frameworks, knowledge retrieval systems, embedding models, and containerized applications. Candidates must be proficient in Python, Kubernetes, Helm, CI/CD automation, and secure AI system development, with the ability to deliver scalable, production- ready SI solutions in mission-critical environments.

Position Required Skills:

Proven experience working in Linux environments, including advanced use of the Linux command-line interface (CLI) for development, troubleshooting, and system administration
Recent hands-on software development experience using Python, with a strong understanding of modern software engineering practices and frameworks
Experience with containerization technologies, such as Docker, Podman, and containerd, for application packaging, deployment, and lifecycle management
Experience designing, authoring, and deploying Helm charts to manage Kubernetes-based applications and services
Experience developing, testing, deploying, and supporting containerized applications in production environments.
Experience creating, configuring, and managing Kubernetes resources, including Deployments, Services, ConfigMaps, Secrets, Ingresses, and Operators
Working knowledge of Generative AI technologies, including Large Language Models (LLMs), Retrieval-Augmented Generation (RAG) architectures, embedding models, and vector databases
Experience implementing and maintaining CI/CD pipelines using tools such as GitLab CI/CD, Flux CD, GitLab Runners or similar tools
Experience leveraging observability, metrics, logging, and monitoring solutions including Prometheus and Grafana
Proficiency with Git-based source control workflows, including branching strategies, code reviews, pull/merge requests, and collaborative development practices
Understanding of software development lifecycle (SDLC) best practices, including automated testing, security scanning, code quality analysis, and DevSecOps principles

Position Desired Skills:

Familiar with developing, deploying, troubleshooting, and sustaining mission applications in an AWS Cloud environment
Experience with the Atlassian suite of tools including Confluence and Jira
Experience working with, and debugging, GPU-enabled applications
Experience using a machine-learning framework (PyTorch, TensorFlow, etc)
Experience with other ML pipelines/frameworks like KubeFlow, NeMo, PyTorch Lightning, etc.
Experience working with and debugging GPU-enabled applications -Experience with SQL, Elasticsearch, and Vector databases
Knowledge of SI inferencing solutions such as Nvidia NIM/TRITON, vLLM, and direct deployment (e.g. Ray) Consistent with federal and state law where SageCor conducts business, SageCor Solutions provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status, or any other protected class.

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More about this job

Skills

Data analysis
Computer science
Linux
Python
Kubernetes
CI/CD
Troubleshooting
System administration
Software development
Docker
Packaging
GitLab
Prometheus
Grafana
Git
Test automation
AWS
Atlassian Confluence
Jira
Debugging
Machine learning
PyTorch
TensorFlow
ML
Kubeflow
SQL
Elasticsearch

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