Jobs in the United States

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Sr. Enterprise Systems Engineer
TEKsystems
Mason, MI
- $57 to $70 USD / hour
The Enterprise Systems group is responsible for the physical and virtual server environment, storage, and 3rd-tier OS support for systems deployed at company locations world-wide.
Added 1 min ago
Senior Staff Engineer - AI Cloud Platform
Exelixis Inc
Alameda, CA
The Senior Staff Engineer – Cloud Platform will support the design and creation of cloud-based products and services to meet the technology needs of Exelixis. This position will help define…
Added 1 min ago
X
Senior Site Reliability Engineer
Xplor
Remote, United States
- $150,000 to $180,000 USD / year
We're looking for a hands-on Site Reliability Engineer to own how our agent platform behaves in production. AI workloads bring new reliability problems: long streaming responses, background…
Added 5 mins ago
Engineer Staff/Sr/III - Electrical - Power West
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United States
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Missile Warning Systems Engineer (TS clearance)
Vantor Services Inc.
El Segundo, CA
Onsite attendance is required at least 2–3 days per week
Added 5 mins ago
Mission Engineer - Space Support to Theater (TS clearance)
Vantor Services Inc.
El Segundo, CA
Vantor is seeking a Mission Engineer to support the U.S. Space Force and our teammates in integrating space capabilities into theater operations. Supporting Space Systems Command (SSC) and…
Added 5 mins ago
Product Sustainability Engineer
Werfen
Norcross, GA
The Product Sustainability engineer will support the transfusion portfolio business entities with implementation of product sustainability principles and strategies that drive compliance to…
Added 6 mins ago
CT
Senior Mainframe Security Engineer (RACF)
Computer Task Group, Inc
UNAVAILABLE
- $64 to $69 USD / hour
CTG is seeking a Senior Mainframe Security Engineer to maintain and improve security across a client’s IBM z/OS environments. You’ll administer RACF, manage encryption keys and…
Added 6 mins ago
Software Engineer III
Computer Task Group, Inc
Buffalo, NY · Wilmington, DE
CTG is seeking to fill a Software Engineer III opening for our client.
Added 6 mins ago
Sr Sales Engineer II - Majors
Axon
GA
Must have intellectual curiosity, humility, accountability and positive approach
Added 9 mins ago
Metal Equipment Engineer
Samsung Austin Semiconductor, LLC.
1530 FM 973 Taylor, TX
Samsung Austin Semiconductor is seeking a motivated engineer for the position of Metals Equipment Engineer. In this role, you will work alongside some of the most talented engineers and…
Added 9 mins ago
Senior Software Engineer – Data Quality Management (Open to hiring at the Lead Software Engineer Level)
Wellmark, Inc.
Des Moines, IA
As a Senior (Lead) Software Engineer supporting Wellmark’s Data Quality Management (DQM) initiative, you will help maintain and enhance an AWS-based platform that delivers automated data…
Added 9 mins ago
Software Engineer, Ad Platforms
Apple
Cupertino, CA
Design and implement performant services created with the right principles to support rapid growth with minimal operational overheads
Added 9 mins ago
Advanced Systems Engineer
Aerospace
Phoenix, AZ
YOU MUST HAVE
Added 9 mins ago
Principal Systems Engineer
Aerospace
Phoenix, AZ
YOU MUST HAVE
Added 11 mins ago
DO
Senior Safety Engineer, Research and Standards Health Unit
Department of Industrial Relations
CA
- $11,427 to $14,298 USD / month
Please ensure application is complete with detailed job descriptions/tasks performed, employment beginning and ending date information, and hours worked per week.**
Added 11 mins ago
DevSecOps Engineer
SAIC
Hampton, VA
SAIC is looking for a full-time onsite DevSecOps Engineer to join our team in Hampton, VA in support of the Air Operations Center Weapons System (AOC WS) Falconer Program's Application…
Added 12 mins ago
Quality Engineer - Federal Ammunition
Anoka, MN
Federal Ammunition is seeking a Quality Engineer to join the team! In this role you will be responsible for providing pro-active hands-on Quality Engineering expertise and Quality…
Added 12 mins ago
Principal Engineer
Allstate Insurance Co.
Remote, United States
…throughout the organization to ensure whole-company alignment support Allstate technologies. They apply a systematic application of scientific and technological knowledge, methods, and…
Added 12 mins ago
Senior Software Support Specialist, Tier-2 Platform Support
Xometry
North Bethesda, MD · Boston, MA
Xometry is looking for a Staff Software Engineer to join our Core Platform team. This role is a strategic technical leadership position focused on the architectural evolution of our…
Added 12 mins ago
LBNFDUNE-US Sr. Engineer (BP)
Fermi National Accelerator Laboratory
Lead, SD
WHAT YOUR DAY-TO-DAY WILL LOOK LIKE AS A SENIOR ENGINEER:
Added 16 mins ago
Electrical Engineer III
Western/Scott Fetzer Company
United States
Mentor junior engineering staff and serve as a sustaining engineer for manufacturing operations.
Added 17 mins ago
Senior Linux Systems Administrator
Peraton
Remote, United States
The Linux Sys Admin will be a member of the Infrastructure Support team, supporting CA servers, storage platforms, systems, networking equipment, and hosted systems in use at DOS domestic…
Added 18 mins ago
Electrician Technician- Erie
Closure Systems International
Erie, PA
Serving as an automation technical resource for continuous improvement and capital projects efforts working with the Electrical Controls Engineer
Added 18 mins ago
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Process Controls Engineer, Sensing & DAQ
Hadrian Automation
Torrance, CA
- $268,000 to $321,000 USD / year
- Relocation support may be provided for certain situations, based on business need.

Peraton

Senior Linux Systems Administrator

Remote, United States

Target Salary Range $104,000 - $166,000.

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Job details

Pay: Target Salary Range $104,000 - $166,000.
Apply by: Nov 12, 2027
Experience: 5 years of experience in a similar role within a large, multi-site production environment.
Posting language: English
Posted: Nov 12, 2026

Original job description

Peraton Overview

Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton operates at the critical nexus between traditional and nontraditional threats across all domains: land, sea, space, air, and cyberspace. The company serves as a valued partner to essential government agencies and supports every branch of the U.S. armed forces. Each day, our employees do the can’t be done by solving the most daunting challenges facing our customers. Visit peraton.com to learn how we’re keeping people around the world safe and secure.

Responsibilities

Peraton is seeking a Senior Linux Systems Administrator (Linux Sys Admin) to join our team of qualified and diverse individuals on our Department of State (DOS) Bureau of Diplomatic Technology (DT) Consular Affairs Enterprise Infrastructure Operations (CAEIO) Program. CAEIO provides IT Operations and Maintenance to modernize the legacy networks, applications, and databases supporting consular applications services globally.

The Linux Sys Admin will be a member of the Infrastructure Support team, supporting CA servers, storage platforms, systems, networking equipment, and hosted systems in use at DOS domestic and overseas facilities. The team works closely with other program team members, contractors, DOS leadership and business stakeholders to monitor performance, address faults, ensure secure service delivery, and craft and implement solutions for operational issues and new requirements.

Location: This position is fully remote; however, candidates must reside in the Washington, DC, Metropolitan Area (DMV) to accommodate occasional onsite meetings, training, or customer support activities at the Washington, DC, customer location or the Peraton office in Sterling, VA. The number of days the Sys Admin works on-site in Washington, DC, or Sterling, VA, is subject to change based on government/program requirements (for example, surge support might require the individual to be in the office five days per week).

Core Work Hours: Monday - Friday 7:00 AM ET - 4:00 PM ET (Flexible with manager approval. The Linux Sys Admin can expect to work off-hours, including weekends, to support period surge requirements.)

Roles and Responsibilities:

Leverage Red Hat and Oracle Linux experience to deliver measurable results in a fast-paced, professionally challenging environment.
Assist in troubleshooting complex issues that cross many functional areas.
Perform Linux Administration using AAP, Satellite, and Puppet to automate system builds, upgrades, patching, and hardening.
Provide T3 level support for the Red Hat Enterprise and Oracle Linux environments.
Deliver technical and user documentation as required.
Provide off-hours support.
Train junior team members on patching and other O&M related tasks.
Comply with certification and accreditation requirements.
Create and maintain SOPs.

Qualifications

Basic Qualifications:

Bachelors degree and 8 years of experience or Masters degree and 6 years of experience or Associates degree and 10 years of experience or a High School diploma/equivalent and 12 years of experience.
U.S. citizenship and an active SECRET Government Security Clearance.
5 years of experience in a similar role within a large, multi-site production environment.
Strong knowledge of RHEL and/or Oracle Linux.
In-depth knowledge of and real-world experience in automation.
Ability to quickly troubleshoot and mitigate issues.
Proficiency with Ansible.
Experience working with Security teams to translate common vulnerability and exposures (CVE) into actionable mitigation and remediation steps.

Desired Qualifications:

Experience running databases on Linux (Oracle, MySQL, or PostgreSQL).
Experience with any of the following: vCenter, VMWare vSphere, Apache HTTP Server.
Hands-on experience working with Openshift 4.x – RBAC, AD/LDAP Integration, CI/CD, Certificates, SSL/TLS.
Red Hat Certified Engineer; Red Hat Certified System Administrator.

Target Salary Range $104,000 - $166,000. This represents the typical salary range for this position. Salary is determined by various factors, including but not limited to, the scope and responsibilities of the position, the individual’s experience, education, knowledge, skills, and competencies, as well as geographic location and business and contract considerations. Depending on the position, employees may be eligible for overtime, shift differential, and a discretionary bonus in addition to base pay. Benefits Statement

Peraton offers eligible employees a variety of benefits including medical, dental, vision, life, health savings account, short/long term disability, EAP, parental leave, 401(k), paid time off (PTO) for vacation, and company paid holidays. A full listing of available benefits can be viewed at https://www.careers.peraton.com/benefits.

Application Statements The application period for the job is estimated to be 30 days from the job posting date. However, this timeline may be shortened or extended depending on business needs and the availability of qualified candidates. By applying to this job, you are expressing interest in the role and the Company. During the review of your application, you may be required to participate in an on-camera interview, as well as participate in a process to verify your identity. Use of artificial intelligence (AI) tools of any kind during Peraton interviews is strictly prohibited unless the candidate has obtained prior written authorization. All interview responses must be the candidate’s own. EEO EEO: Equal opportunity employer, including disability and protected veterans, or other characteristics protected by law.

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Jobs in the United States