Linux / Unix Systems Administrator Jobs in Virginia

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Java Rates Algo Developer - AVP (Hybrid)

Citi

Remote or New York, New York, USA

Full-time

The Applications Development Senior Programmer Analyst is an intermediate level position responsible for participation in the establishment and implementation of new or revised application systems and programs in coordination with the Technology team. The overall objective of this role is to contribute to applications systems analysis and programming activities. Responsibilities: Conduct tasks related to feasibility studies, time and cost estimates, IT planning, risk technology, applications de

System Administrator

Kriaanet Inc

Remote

Full-time

Job Title:Systems administrationLocation: Honolulu, HI - REMOTEDuration: Long TermJob Description:Provide support for Microsoft Windows Active Directory infrastructure including domain controllers, file servers and Dynamic Host Configuration Protocol (DHCP) servers.Provide integration support for Red Hat Linux server and workstation infrastructure.Lead enterprise Windows configurations for NWS PR.Upgrade systems to the latest Microsoft operating system (OS) version.Provide support for Microsoft

Cyber Software Engineer Sr Stf - DSP

Lockheed Martin Corporation

Herndon, Virginia, USA

Full-time

Job Description This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! This position may be eligible for a $25K sign on bonus for external hires! Cyber Software Engineer Princ. - DSP WHAT WE'RE DOING Lockheed Martin, Cyber & Intelligence invites you to step up to one of today's most daunting challenges: the evolving threat of cyber warfare. As a cyber s

Hardware Design Engineering Intern/ Co-Op (Graduate | Fall 2025 | Hybrid)

AMD (Advanced Micro Devices)

Remote or Austin, Texas, USA

Full-time

WHAT YOU DO AT AMD CHANGES EVERYTHING We care deeply about transforming lives with AMD technology to enrich our industry, our communities, and the world. Our mission is to build great products that accelerate next-generation computing experiences - the building blocks for the data center, artificial intelligence, PCs, gaming and embedded. Underpinning our mission is the AMD culture. We push the limits of innovation to solve the world's most important challenges. We strive for execution excellen

DBA/Systems Engineer (Clearance Required)

Oracle Corporation

Reston, Virginia, USA

Full-time

Job Description Must currently hold and have the ability to maintain a TS/SCI with Poly US Clearance. What You'll Do: Either at the client's site or from an Oracle location, you will be responsible for resolution of moderately complex technical problems related to the installation, configuration, recommended maintenance and use and repair/workarounds for Oracle products, including but not limited to Oracle Database, Oracle Exadata, and Oracle Cloud Infrastructure. You will be expected to work

Oracle EBS Consultant

HireTeq

Herndon, Virginia, USA

Contract

Required Skills and Experience 5+ years of experience administering Oracle EBS ERP systems. Strong Linux systems administration experience. Proficient in SQL for queries, reporting, and troubleshooting. Experience with or willingness to learn and become certified in Salesforce CRM.

Network Developer

Oracle Corporation

Reston, Virginia, USA

Full-time

Job Description We are looking for a Network Development Engineer to build & manage services that comprehensively model, provision, secure, scale and operate OCI networks. Network engineers will use the network automation to represent arbitrarily complex datacenter networks and subsequently build, interconnect and scale these networks. Network Operations will be able to centrally administer OCI's networks and automate responses to common operational problems using the network automation API. OC

Senior Lead Site Reliability Engineer - Remote

Akamai Technologies

Cambridge, England, United Kingdom

Full-time

Would you enjoy improving stability and safety of one of the largest global networks? \n Would you enjoy hands-on network operations work on a global scale to improve our operational efficiency? \n Join our Platform Security Engineering Team \n The Platform Security Engineering team is a group of engineers that support and secure Akamai's global network and Linode cloud systems. Our systems provide data security, server integrity, network access, and secure communications infrastructure. This is

Red Team Cyber Project Engineer- Onsite in Puerto Rico

Lockheed Martin Corporation

Remote or Aguadilla, Aguadilla, Puerto Rico

Full-time

Job Description We are looking for talented candidates with a strong technical background, experienced cyber security knowledge, the ability to think like a cyber adversary and having a passion for cyber security. The Red Team is looking for candidates who are ambitious, self-motivated and want to develop solutions to tough and unique challenges. Apply to this position if you want help secure our corporation, our customers, and the warfighter. If you want an opportunity to put yourself to the t

Linux/MQ Engineer

ALTA IT Services

Herndon, Virginia, USA

Full-time

If interested reach out directly to or call/text # Linux/Active MQ Engineer REQUIRES: SECRET FULLY Remote MQ and Linux Engineer (with Kubernetes/Rancher experience) We are seeking a skilled MQ and Linux Engineer with hands-on experience in Kubernetes or Rancher to join our infrastructure team. The ideal candidate will be responsible for maintaining and optimizing our enterprise messaging systems, Linux environments, and container orchestration platforms. Key Responsibilities: Install, confi

DevOps with Python Engineer

Apexon

Reston, Virginia, USA

Full-time

We are seeking a DevOps Engineer with Python expertise and strong AWS & Terraform skills to support our digital transformation initiatives. The ideal candidate will be hands-on in automating infrastructure, deployments, and collaborating across teams to ensure seamless CI/CD processes. Job Title: DevOps with Python Engineer Location: Reston, VA (Onsite from Day One) Interview Mode: In-Person (Client Interview Required)Key Qualifications: Experience: 10+ years in DevOpsTools & Platforms:GitLab,

RMF Analyst

Apex Systems

Alexandria, Virginia, USA

Full-time

Job#: 2077182 Job Description: Title: RMF Analyst Location: Mark Center Drive Alexandria VA Type: Long-term Contract Schedule: Hybrid, 2 days on-site & 3 days remote Pay: $45-55/hr) experince level dependent) Apply Here: Please send your updated resume, CompTIA Sec+ certification, and availibility for a phone call to Emma at The RMF Support Analyst is responsible for developing processes and procedures to communicate, report, and distribute cyber directives to Program level System Owners, I

Professional Services Consultant- XSIAM

HCM Staffing and Consulting

Remote

Contract

Job Description: This Consultant position is an integral part of our mission within our Professional Services team. In this role, you will work on-site with our customer(s), supporting our mission to help them quickly and completely adopt our Security Operating Platform, leaving them more secure. This is a highly technical, hands-on role, and you will develop and maintain expertise-level skillsets on our products and solutions deployed within the customer's environment. Cortex XSOAR orchestratio

Cloud Engineer

DP Professionals Inc

Remote or Columbia, South Carolina, USA

Contract

DPP is seeking a Cloud Engineer for an opportunity in Columbia, SC. Work arrangement: Onsite is highly preferred, but open to remote W2 position; 6 months Candidates who are foreign nationals must have resided in the US for at least three (3) of the last five (5) years prior to assignment to the client s applicable government contract. Position summary: A typical day for a Cloud Engineer involves a mix of building, supporting, automating, and optimizing cloud infrastructure to ensure secure, sca

Security Engineer With Splunk Experience - Remote

The Dignify Solutions, LLC

Herndon, Virginia, USA

Contract, Third Party

Splunk Enterprise Certified Administrator Effective communication and collaboration skills Problem-solving skills and the ability to think strategically about security Continuous learning mindset Experience with data onboarding, parsing, and indexing in Splunk Minimum 5 years of hands-on experience in Splunk Administration Minimum 3 years of hands-on experience with AWS Proficient in both Linux and Windows environments Hardware, software, and network-level troubleshooting skills Log management a

Systems Engineer (Clearance Required)

Oracle Corporation

Reston, Virginia, USA

Full-time

Job Description Must currently hold and have the ability to maintain a TS/SCI with Poly. What You'll Do: Design, develop, and optimize high-performance, scalable on-premise systems and cloud networking solutions. Troubleshoot and debug complex distributed systems, ensuring seamless systems and cloud connectivity for our customers. Work across the full development lifecycle-design, implement, test, deploy, and monitor critical services. Continuously improve performance, security, and reliabilit

C++ Developer

Akrivis Solutions

McLean, Virginia, USA

Contract

Job Title: C++ Developer Location: McLean, VA (Onsite 3 days/week And Remote 2Days/Week) Duration: 6 Months Interview: In-person required Job Summary: Looking for a senior C++ developer with 10+ years of experience to work on secure software systems. You ll be writing high-performance C++ code and working with cryptographic tools and HSMs (Hardware Security Modules) using libraries like PKCS#11 and OpenSSL. Required Skills: Strong C++ coding (10+ years) Linux OS experience Multithreading and d

DevOps Engineer

HAYS

Virginia, USA

Contract

DevOps Engineer - Contract - Vienna, VA - $65.00 - $70.02/hr. The final salary or hourly wage, as applicable, paid to each candidate/applicant for this position is ultimately dependent on a variety of factors, including, but not limited to, the candidate's/applicant's qualifications, skills, and level of experience as well as the geographical location of the position. Applicants must be legally authorized to work in the United States. Sponsorship not available. Our client is seeking an DevOps

*Senior Risk Intelligence Engineer* - W2 Role

Kellton

Remote

Third Party, Contract

Kellton Tech is a full-service software development company, offering end-to-end IT solutions, strategic technology consulting and product development services in Web, SMAC (Social, Mobile, Analytics, Cloud), ERP-BPM, and IoT space Our methodology of inventing infinite possibilities with technology helps us develop best in-class and cost effective solutions for our clients. Currently Kellton Tech is looking for talented resources for one of our listed client. Below are the position details: Posi

HPC Systems Admin

General Dynamics

Remote

Full-time

Type of Requisition: Regular Clearance Level Must Currently Possess: Other Clearance Level Must Be Able to Obtain: None Public Trust/Other Required: NACI (T1) Job Family: Systems Engineering Job Qualifications: Skills: High-Performance Computing (HPC) Systems, Linux System Administration, Python (Programming Language), Scripting, SUSE Linux Enterprise Server (SLES) Certifications: None Experience: 10 + years of related experience ship Required: Yes Job Description: At GDIT, people are ou