Jobs in the United States

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Added just now
Sr. Software Engineer, Linux Kernel
SpaceXSI
Seattle, WA
Build and maintain the lean, high-reliability Linux-based operating system that underpins our supercomputer network fabric
Added 7 mins ago
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Senior Infrastructure Security Engineer
fal
San Francisco, CA
- $180,000 to $250,000 USD / year
- 5+ years in systems or security engineering, with deep hands-on work in the Linux kernel, hypervisors, or device drivers
Added 7 mins ago
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Staff Security Engineer
fal
San Francisco, CA
- $180,000 to $250,000 USD / year
- Deep knowledge of cloud security (AWS/GCP), Kubernetes, Linux, and identity and access systems
Added 8 mins ago
Applications Support Sr Analyst
Citibank, N.A.
United States
The Observability Engineer will support the organization's observability transformation initiatives by helping onboard applications to modern observability platforms and OpenTelemetry…
Added 11 mins ago
Applications Support Sr Analyst
Citi
IRVING, TX · Irving, TX · Irving
The Observability Engineer will support the organization's observability transformation initiatives by helping onboard applications to modern observability platforms and OpenTelemetry…
Added 11 mins ago
Platform Engineer (TS/SCI CI Poly)
Seamless Migration
Reston · Alexandria · Washington · Colorado Springs
Experience administering Linux systems and independently installing, configuring, and maintaining enterprise applications.
Added 14 mins ago
Cloud Platform Engineer IL6/cArmy
Koniag Government Services
Washington, DC
…supporting our U.S. Army customer on a large-scale Army contracting systems modernization and automation program. Builds and sustains the platform within the Government-furnished cArmy/SIPR…
Added 14 mins ago
Software Developer
Koniag Government Services
Huntsville, AL
…while driving strategic modernization. The selected senior engineer will operate across a sophisticated dual-track paradigm: ensuring uninterrupted operational readiness and fidelity of…
Added 14 mins ago
COTS System Engineer (GovTA SME)
Koniag Government Services
Washington, DC
Kadiak, LLC, a Koniag Government Services company, is seeking a COTS System Engineer (GovTA SME) with a Top-Secret security clearance to support Kadiak and our government customer in…
Added 14 mins ago
Principal Network/ Systems Engineer
Koniag Government Services
Fort Lee, VA · Carson, CA · Columbus, OH · Bedford, MA · Smyrna, GA
Koniag IT Systems, LLC, a Koniag Government Services company, is seeking a Principal Network/ Systems Engineer to support KITS and our government customer in Carson, CA.
Added 14 mins ago
Cloud Engineer (REMOTE)
Koniag Government Services
Washington, DC
Koniag IT Systems, LLC a Koniag Government Services company, is seeking a Cloud Engineer to support KITS and our government customer. The position is remote. This position requires the…
Added 21 mins ago
CyberArk Engineer/IAM/Remote
Kelly Services
Remote, United States
A leading organization is looking for a CyberArk Engineer to join its growing cybersecurity and identity security team. This is a fully remote, full-time opportunity to work with…
Added 23 mins ago
AWS Connect Developer
ASM Research, An Accenture Federal Services Company
Harrisburg, PA
Experience consistent with the Cloud Engineer II standard: 8–15 years of IT experience, including 3–4 years of cloud engineering experience, and at least 4 years debugging Microsoft Windows…
Added 23 mins ago
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Senior Database Site Reliability Engineer – Oracle Database and GoldenGate (IC3)
Oracle
Harrisburg, PA
- $81,100 to $187,000 USD / year
Oracle Health Database Services is seeking a highly experienced, Site Reliability Engineer to lead database reliability engineering across mission-critical healthcare platforms.
Added 23 mins ago
Senior AWS Cloud Engineer
Serco
Harrisburg, PA
We are seeking a highly skilled and experienced AWS Cloud Engineer to join our IT Operations organization and contribute to the ongoing development of our cloud-native platform.This role…
Added 23 mins ago
AT
Network Infrastructure Engineer II
Akamai Technologies, Inc.
Harrisburg, PA
- $83,200 to $149,800 USD / year
As a Network Infrastructure Engineer II, you will oversee operations in our global data centers. You will monitor and maintain our data centers, networks, and servers worldwide. You will…
Added 23 mins ago
Clinical Specialist, Cranial & Spinal Technologies - Harrisburg/Allentown, PA.
Medtronic
Harrisburg, PA · Allentown, PA
Uses UNIX/LINUX commands to modify operating files.
Added 24 mins ago
Junior Systems Engineer/Support Analyst/Hybrid
Kelly Services
Philadelphia, PA
Are you a Junior Systems Engineer looking to take the next step in your IT career? A growing, technology-driven organization in Philadelphia is looking for a motivated Junior Systems…
Added 27 mins ago
Sr. CyberArk Implementation Engineer or Architect
Capgemini
Atlanta, GA, GA
We are seeking an experienced Senior CyberArk PAM Implementation Engineer to assess, optimize, and enhance our existing CyberArk Privileged Access Management environment. The ideal…
Added 35 mins ago
Software Engineer II
Zayo Group LLC
United States
Zayo Group is seeking a talented and motivated Software Engineer II to join our Network Automation Software Engineering team. Our team develops and maintains the software platforms,…
Added 35 mins ago
Senior Software Engineer
Zayo Group LLC
United States
The ideal candidate is a strong software engineer who enjoys solving complex technical challenges, understands distributed systems, and is interested in applying modern software engineering…
Added 38 mins ago
IP Engineer
Uniti
Mobile, AL
Familiarity with Linux or other server operating systems, including basic system administration, service management, and troubleshooting. This is highly preferred, but not required.
Added 39 mins ago
Satellite Network Operations Engineer
Astranis
San Francisco, CA
As a Satellite Network Operations Engineer, you will be providing operations support for our satellite networks that include ground equipment and satellite payload. These networks are…
Added 39 mins ago
Principal Site Reliability Engineer
NVIDIA USA
CA
Deep expertise in distributed systems architecture, networking, Linux, Kubernetes, and public cloud platforms such as AWS, Azure, or GCP.
Added 41 mins ago
Cybersecurity Engineer - Remote
Dragonfly Health
Mesa, AZ
Strong understanding of Windows, Linux, and UNIX systems.

Seamless Migration

Platform Engineer (TS/SCI CI Poly)

Reston, United States
Alexandria, United States
Washington, United States
Colorado Springs, United States

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Job details

Posting language: English
Posted: Nov 5, 2026

Original job description

ABOUT US

Seamless Migration is a Service-Disabled Veteran-Owned Small Business (SDVOSB) started in 2021 with the purpose of enabling businesses and organizations through automation. Our goal is to help organizations discover, implement, and maintain solutions which evolve and mature with their ever-changing business needs. We believe in applying agile methodologies in all aspects of our business practices and use these methods to ensure effective results for our clients. Seamless Migration is seeking a career and customer-oriented Platform Engineer to join our team.

Clearance

TS/SCI W/ CI Poly (existing clearance required to start)

Locations

Alexandria, VA
Washington, DC
Colorado Springs, CO
Reston, VA

Overview

Deploy, configure, administer, and maintain infrastructure and enterprise applications across Development, Test, and Production environments.
Install, configure, and maintain applications on Red Hat Enterprise Linux (RHEL 8/9) servers.
Install, configure, and support PostgreSQL databases, Java runtimes, application libraries, and supporting dependencies.
Manage application configurations, system permissions, access controls, SSL/TLS certificates, and network connectivity requirements.
Coordinate with VMware and Linux administrators to provision, configure, and maintain virtual machines and supporting infrastructure.
Troubleshoot Linux operating system, application, database, networking, and infrastructure issues.
Perform system updates, application patching, maintenance, and configuration changes.
Support software installations and deployments within air gapped and disconnected networks, including offline dependency management.
Develop and maintain scripts and automation to streamline infrastructure provisioning, application deployment, and administration.
Support infrastructure automation and configuration management using tools such as Ansible and Terraform.
Assist with virtual machine deployment, server configuration, and automated provisioning processes.
Collaborate with development teams to support application integrations, REST APIs, and automated workflows.
Configure and maintain supporting infrastructure services to ensure application availability, performance, and security.
Develop and maintain technical documentation, installation procedures, configuration standards, and operational processes.
Work closely with government stakeholders, infrastructure teams, and developers to ensure reliable and secure system operations.

Qualifications

Experience administering Linux systems and independently installing, configuring, and maintaining enterprise applications.
Working knowledge of Linux networking, permissions, access controls, and security configurations, including SSL/TLS certificates.
Practical knowledge of PostgreSQL database installation and administration, with familiarity supporting Java environments and software dependencies.
Familiarity with Ansible, Terraform, and automated server provisioning.
Experience with Bash or Python scripting and infrastructure automation or configuration management tools.
Understanding of REST APIs, JSON, and application integrations.
Experience supporting applications and infrastructure across Development, Test, and Production environments.
Ability to troubleshoot issues across operating systems, applications, databases, and networks.

Nice to Have

Hands-on experience with virtualized infrastructure and automated server provisioning.
Familiarity with Ansible, Terraform, Jenkins, or CI/CD pipelines.
Knowledge of JavaScript, Node.js, or container tools such as Docker and Podman.
Experience supporting classified, air-gapped, or DoD/Intelligence Community environments, including offline installations and dependency management.
Familiarity with infrastructure monitoring, performance optimization, and system availability.

Benefits

100% paid Medical, Dental & Vision for Our Employees
6% 401K match (Vested Immediately)
29 Days' PTO
Flexible Work Schedule
Tuition/Certification Reimbursement
Growth Opportunities w/in an Emerging Defense Company

*All your information will be kept confidential according to EEO guidelines

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