26 to 50 of 78 Linux Administrator Jobs

Position: Linux System Administrator - Tier 2 Clearance Required: TS/SCI with CI Polygraph About the Role: Advance your career as a Linux Systems Administrator, working on critical cloud initiatives that support government operations. Collaborate with a skilled team to develop solutions that make a direct impact on public sector efficiency and effectiveness. Responsibilities: • Design & Develop … BitBucket, RocketChat). • Innovate: Serve as a subject matter expert (SME) to define network requirements and optimize user metrics. • Maintain: Oversee infrastructure patching and OS baseline hardening for multiple Linux environments. • Support: Ensure compliance with security standards in partnership with Enterprise Services. Qualifications: Basic Requirements: • Bachelor's degree in Computer Science or related field plus 2-4 years of … professional experience as a Systems Administrator or in a similar technical role. • CompTIA Security+ certification required. • Strong Linux expertise and familiarity with infrastructure management best practices. • 2+ years of experience with Amazon Web Services (AWS). • Proficiency in Agile collaboration tools (JIRA, Confluence, RocketChat). • Active TS/SCI Clearance with CI Polygraph. Preferred Skills: • Experience with cloud More ❯

SYSTEM ADMINISTRATOR LEVEL 3 - VMWARE/LINUX INFRASTRUCTURE SPECIALIST LEAD ENTERPRISE IT INFRASTRUCTURE FOR MISSION-CRITICAL DEFENSE SYSTEMS We're seeking an experienced System Administrator Level 3 with deep expertise in VMware virtualization and Linux environments to manage and optimize complex IT infrastructure supporting defense operations. This role requires 15 years of progressive systems administration experience … combining advanced technical skills with strategic problem-solving capabilities to ensure maximum uptime and performance of critical systems. THE OPPORTUNITY As a System Administrator Level 3, you'll be responsible for the architecture, implementation, and optimization of enterprise-scale IT infrastructure spanning virtualized environments, Linux/UNIX systems, and Windows platforms. You'll tackle complex integration challenges, lead … Analyze and resolve complex problems associated with server hardware, applications, and software integration • Configure and manage VMware vSphere environments including ESXi hosts, vCenter, and distributed virtual switches • Administer enterprise Linux distributions (RHEL, CentOS, Ubuntu) and UNIX systems at scale • Implement and maintain Windows Server environments integrated with heterogeneous infrastructure • Design and optimize storage solutions including SAN/NAS architectures More ❯

Linux/Windows Systems Administrator Location: Springfield, VA Clearance: Secret Position Overview: The Linux/Windows Systems Administrator is responsible for the design, implementation, maintenance, and security of the organization's Linux and Windows server infrastructure. The ideal candidate should possess strong expertise in Linux and Windows operating systems. Key Responsibilities: System Administration: Install … configure, and maintain Linux and Windows servers. Perform routine system monitoring, analysis, and troubleshooting to ensure optimal system performance. Collaborate with cross-functional teams to design and implement system upgrades, patches, and new applications. Security Management: Implement and maintain security measures to safeguard systems against unauthorized access, vulnerabilities, and data breaches. Conduct regular security audits, vulnerability assessments, and implement … PowerShell to automate routine tasks, streamline processes, and improve system efficiency. Create and update documentation for scripts, configurations, and procedures. User Support: Provide technical support to end-users for Linux and Windows-related issues. Collaborate with the helpdesk team to resolve escalated support tickets in a timely manner. Monitoring and Performance Tuning: Implement and maintain monitoring solutions to proactively More ❯

Senior Linux Automation System Administrator Location: Aurora, CO (Onsite) Security Clearance: Active TS/SCI with Poly (CI/FS) required Schedule: Monday - Friday, 8:00 AM - 5:00 PM Pay: Starting at $140,000 - 145,000 (Negotiable) - Full benefits included Duration: 12-month contract - likelihood of year-over-year extension What You Will Do As a Senior … Linux Automation System Administrator, you will support a classified Raytheon program by building, maintaining, and securing IT systems. You will directly support mission-critical customer capabilities and collaborate with developers and system engineers to diagnose issues and implement solutions. Your responsibilities will include: Administering Red Hat Enterprise Linux (RHEL) systems Developing and utilizing automation tools (e.g., Ansible … place before start) U.S. Citizenship DoD 8570 IAT Level 2 certification (e.g., Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, or CND) Hands-on experience with Red Hat Enterprise Linux (RHEL) Proficiency in automation and scripting (Ansible, Bash, Python) Qualifications We Prefer Experience with VMware vCenter for deploying/administering virtualized environments Familiarity with network device management Experience administering More ❯

Position: Linux Admin Location: London Work Schedule: onsite Are you a skilled Linux Administrator with an RHCE certification? We are looking for a dedicated professional to join our team in London. What we're looking for: Proven experience with RHEL and CentOS. Expertise in VMware and infrastructure automation with Ansible. Proficiency in Python or Bash scripting. Strong … This role requires a full-time presence, working 5 days from the office in Moorgate. If you're a problem-solver with strong communication skills and a passion for Linux, we encourage you to apply or send me your updated resume to nandiraju . b @ randstad . co. uk Randstad Technologies Ltd is a leading specialist recruitment business for More ❯

Position: Linux Admin Location: London Work Schedule: onsite Are you a skilled Linux Administrator with an RHCE certification? We are looking for a dedicated professional to join our team in London. What we're looking for: Proven experience with RHEL and CentOS. Expertise in VMware and infrastructure automation with Ansible. Proficiency in Python or Bash scripting. Strong … This role requires a full-time presence, working 5 days from the office in Moorgate. If you're a problem-solver with strong communication skills and a passion for Linux, we encourage you to apply or send me your updated resume to nandiraju . b @ randstad . co. uk Randstad Technologies Ltd is a leading specialist recruitment business for More ❯

Opportunity: IMG is seeking a skilled Linux System Administrator to support our customer's enterprise RedHat Linux environment. This role involves ensuring the stability, security, and performance of these systems while adhering to U.S. government risk management frameworks such as NIST 800-53. the administrator will handle system administration tasks, perform regular updates and security … and Milestone (POA&Ms), Risk Management Framework (RMF) and Risk Based Decisions (RBDs) for deficiencies found during the information system authorization process. Job duties include: Administer and optimize RedHat Linux systems, OpenShift, VMWare, and Cloudera platforms including authentication, cluster management, user management, monitoring, performance and data management. Implement and enforce security measures to meet NIST 800-53 standards. Monitor … required prior to consideration Required Education/Experience: Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent experience. At least five years' experience with RedHat Linux, VMware, and OpenShift cumulative At least two years of experience supporting development of information system security authorization packages in accordance with Risk Management Framework (NIST More ❯

Job Description: The Linux/UNIX System Administrator will manage and maintain AFTAC's Linux-based systems, ensuring optimal performance, security, and reliability. This role will involve managing system resources, performing proactive system maintenance, handling troubleshooting tasks, and supporting cloud-based Linux environments. The administrator will also provide training and guidance to junior staff and … assist in system migrations. Key Responsibilities: Administer Linux/UNIX-based systems, including RedHat and Solaris, ensuring smooth day-to-day operations. Perform proactive space management, scalability improvements, and implement high-availability strategies. Support system migrations, including physical-to-virtual conversions and cloud integrations. Implement backup and disaster recovery strategies. Troubleshoot complex system issues and perform root cause analysis … Develop and document scripts for automation of administrative tasks. Assist in the development of IT infrastructure replacement plans and hardware refresh cycles. Required Qualifications: 5+ years of experience in Linux/UNIX system administration. Strong knowledge of RedHat 7.x, Solaris, and other Linux variants. Certifications: Security+ required, RHCSA, RHCE (Red Hat Certified Engineer) preferred. Experience with containerization technologies More ❯

AEITS, Inc. is looking to grow its team! We are seeking a Systems Administrator, RHEL/Linux, Level I, to support our customer in the Annapolis Junction, MD area. The ideal candidate will have strong Linux skills, experience with Docker, Ansible, Puppet, and basic knowledge of network configurations, server security, and scripting. Mission: As a Systems Administrator on this government program, you will support hardware integration, working with software development teams, and ensuring the maintenance and optimization of Linux-based systems in an Agile/DevOps environment. environment. Location: Annapolis Junction, Maryland All work is on-site. This is not a hybrid or remote position. Clearance: TS/SCI CCA Poly with further polygraph testing. … s degree in technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor's degree. Strong Linux skills Experience installing, configuring, and maintaining Linux operating systems and related software Familiarity building Docker containers and containerization practices Experience with or knowledge of Ansible and Puppet Experience More ❯

At Volt, our greatest strength is our people Volt is immediately hiring for Linux Automation Systems Administrator in Aurora, Colorado As Linux Automation Systems Administrator, you will be responsible for: Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical capabilities using industry standard automation tools. You will work closely with … on start date. IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND. • Experience administering Red Hat Enterprise Linux (RHEL) based systems • Using and developing automation tools/frameworks such as Ansible, as well as scripting, primarily Bash and Python. Qualifications We Prefer • Deployment and administration of systems More ❯

Linux, Windows, UNIX, RHEL, Kali, Solaris, Ubuntu, CentOS, Debian, Fedora, Red Hat, Security+ Due to federal contract requirements, United States citizenship and an active TS/SCI security clearance and polygraph are required for the position. Required: Must be a US Citizen Must have TS/SCI clearance w/active polygraph This position is open to multiple levels … operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. Nice-to-have: Experience (combined) with Unix, Linux Scripting experience with any C, Perl, BASH, Python or Bourne Shell AWS or Azure is a plus $100,000 - $195,000 a year The pay range for this job … premium • Employer paid Life insurance 100% • Employer paid Short-term and Long-term disability 100% • Annual training, continued education, and professional memberships reimbursement • Unlimited access to Red Hat Enterprise Linux and AWS training and accreditation • Annual reimbursement for technology i.e. phones, computers, printers, etc. • 401(k) with company match up to 5% with 100% immediate vesting (after 90 days More ❯

Move Forward with Volt Volt is immediately hiring for a Senior Linux Systems Administrator in Aurora, CO. You will be supporting a client's program in a classified environment as a Linux System Administrator. Responsibilities include building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical capabilities. You will work closely with program developers … certification (or higher). IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND. Experience administering Red Hat Linux based systems with minimal support, to include patching, creating/maintaining RPM packages, performance tuning, networking, user management (LDAP), and security hardening Qualifications We Prefer Using and developing with More ❯

Your Mission: As a Linux Information Systems Administrator, your responsibilities will include: • Technical Support: Provide expert assistance to users in resolving technical issues with applications, connectivity, and other IT-related concerns. • Cybersecurity Expertise: Conduct environmental vulnerability scans, remediate vulnerabilities, and perform system hardening to ensure the security of our systems. • Root Cause Analysis: Perform in-depth analysis to … resolve technical issues in Linux environments, identifying and addressing the root causes of problems. • System Performance Optimization: Analyze and assess server performance, storage capacity, and plan for future needs to ensure optimal system performance. • Scripting and Automation: Leverage your scripting skills to automate routine tasks, such as server and workstation patching, and streamline IT processes. Basic Qualifications: • Top Secret … Required • Ability to lift 30 pounds • Must possess a CompTIA Security+ or equivalent DoD 8572 qualified certificate • Experience performing successful root cause analysis for problem resolution in Unix and Linux environments, with significant experience in: - Installing operating routine server/workstation patches, system security patches and firmware updates - Creating/managing security groups - Coordinating hardware repair activities - Diagnosing and More ❯

with a focus on collaboration and innovation. Our teams are at the frontier of the Nation's most complex and rewarding challenges. Join our team. Barbaricum is seeking a Linux Systems Administrator to manage and maintain mission-critical systems for TRADOC G2 operations at Fort Eustis, VA. The selected candidate will provide technical expertise in maintaining Linux-based environments in secure settings. Responsibilities: Manage Linux-based systems, ensuring stability, security, and compliance. Perform software updates, system hardening, and patch management. Troubleshoot hardware and software issues in secure environments. Develop scripts to automate routine administrative tasks. Document system configurations and maintenance procedures. Qualifications: Active DoD Top Secret/SCI clearance required. Experience with Red Hat Enterprise … Linux (RHEL) or similar distributions. Proficiency in scripting languages such as Bash, Python, or Perl. Familiarity with security compliance, including DISA STIGs. EEO Commitment All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner More ❯

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for compliance with Naval Air Systems Command (NAVAIR) and Defense Information Systems Agency (DISA) policies for Linux and Windows-based operating systems. We are looking for an out … meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: At least five years of hands-on experience working within UNIX/Linux and Windows environments Experience in DoD Information Assurance/Cyber policy and procedures to include hardening of systems, implementing Security Technical Implementation Guides (STIGs) and scanning Experience with Linux Server to include the build, maintenance, and troubleshooting, as well as addressing, service requests, routine sever maintenance (firmware, failures, hardening, etc.), and server consolidation. Experience with UNIX/Linux, Red Hat, CentOS (Linux). DoD 8140 & 5239 compliant (Security + certified and OS certificate/certification) (formerly 8570). A background or working knowledge of scripting and More ❯

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for compliance with Naval Air Systems Command (NAVAIR) and Defense Information Systems Agency (DISA) policies for Linux and Windows-based operating systems. We are looking for an out … meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: At least five years of hands-on experience working within UNIX/Linux and Windows environments Experience in DoD Information Assurance/Cyber policy and procedures to include hardening of systems, implementing Security Technical Implementation Guides (STIGs) and scanning Experience with Linux Server to include the build, maintenance, and troubleshooting, as well as addressing, service requests, routine sever maintenance (firmware, failures, hardening, etc.), and server consolidation. Experience with UNIX/Linux, Red Hat, CentOS (Linux). DoD 8140 & 5239 compliant (Security + certified and OS certificate/certification) (formerly 8570). A background or working knowledge of scripting and More ❯

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for compliance with Naval Air Systems Command (NAVAIR) and Defense Information Systems Agency (DISA) policies for Linux and Windows-based operating systems. We are looking for an out … meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: At least five years of hands-on experience working within UNIX/Linux and Windows environments Experience in DoD Information Assurance/Cyber policy and procedures to include hardening of systems, implementing Security Technical Implementation Guides (STIGs) and scanning Experience with Linux Server to include the build, maintenance, and troubleshooting, as well as addressing, service requests, routine sever maintenance (firmware, failures, hardening, etc.), and server consolidation. Experience with UNIX/Linux, Red Hat, CentOS (Linux). DoD 8140 & 5239 compliant (Security + certified and OS certificate/certification) (formerly 8570). A background or working knowledge of scripting and More ❯

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for compliance with Naval Air Systems Command (NAVAIR) and Defense Information Systems Agency (DISA) policies for Linux and Windows-based operating systems. We are looking for an out … meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: At least five years of hands-on experience working within UNIX/Linux and Windows environments Experience in DoD Information Assurance/Cyber policy and procedures to include hardening of systems, implementing Security Technical Implementation Guides (STIGs) and scanning Experience with Linux Server to include the build, maintenance, and troubleshooting, as well as addressing, service requests, routine sever maintenance (firmware, failures, hardening, etc.), and server consolidation. Experience with UNIX/Linux, Red Hat, CentOS (Linux). DoD 8140 & 5239 compliant (Security + certified and OS certificate/certification) (formerly 8570). A background or working knowledge of scripting and More ❯

Overview: SimVentions is a 100% employee-owned business and has consistently been voted one of Virginia's Best Places to Work. SimVentions is seeking a System Administrator to maintain servers for compliance with Naval Air Systems Command (NAVAIR) and Defense Information Systems Agency (DISA) policies for Linux and Windows-based operating systems. We are looking for an out … meet eligibility requirements for access to classified information. US Citizenship is required to obtain a clearance. Requirements: At least five years of hands-on experience working within UNIX/Linux and Windows environments Experience in DoD Information Assurance/Cyber policy and procedures to include hardening of systems, implementing Security Technical Implementation Guides (STIGs) and scanning Experience with Linux Server to include the build, maintenance, and troubleshooting, as well as addressing, service requests, routine sever maintenance (firmware, failures, hardening, etc.), and server consolidation. Experience with UNIX/Linux, Red Hat, CentOS (Linux). DoD 8140 & 5239 compliant (Security + certified and OS certificate/certification) (formerly 8570). A background or working knowledge of scripting and More ❯

Our client is seeking a Linux Systems Admin with some DevOps experience The successful candidate will establish, extend, and maintain infrastructure supporting Linux-based development tailored for client requirements. Infrastructure may include support for system provisioning, updating, configuration management, compliance reporting, data storage and cloud processing, automated build and test, packaging, and package distribution. Tasks supporting the development … representing and advocating for Group needs within the larger Laboratory system administration community; implementing, deploying, and troubleshooting infrastructure software and hardware systems. This position also requires assisting staff with Linux issues and supporting wider Division-level System Administration activities as needed. Required skills: -Demonstrated ability to architect, implement, and extend infrastructure to provide staff with a highly effective Linux experience. -Combination of DevOps administration and Linux systems administration -Ability to communicate effectively, including working in close collaboration with staff on technical topics, electronic correspondence, issue tracking, and preparing presentations and other materials to explain and advocate for a desired solution. -Experience integrating GNU/Linux in an environment where Microsoft Windows in the dominant client operating More ❯

Our mission is clear: to lead through innovation. Join the transformation and innovate with us. Overview: Are you looking for a unique opportunity to learn and grow as a Linux System Administrator . If so, AV is looking for you to join the Cyber and Intel Division's Operation Infrastructure Team. This team is responsible for full life … for the day-to-day operations of deployed systems to include monitoring, auditing, log review, maintenance, troubleshooting, and after-hours response. You should have a strong foundation in both Linux system and network administration with a security-oriented mindset. You will assist in continually improving and growing our Network Operations Center (NOC) capability and defining standard operating procedures following … all engineering and administration efforts Strong communication skills, (both written and verbal) and technical documentation skills Detail-oriented and critical thinking mindset Log analysis and system auditing (2 years) Linux system administration (3 years) Network administration (2 years) Network functional status monitoring and alerting (2 years) Ideally you have this: Active TOP SECRET/SCI Security Clearance. NOC/ More ❯

We are seeking a versatile Systems Engineer to join our team and support the ongoing growth and stability of our hybrid IT infrastructure. The role will focus primarily on Linux systems, security, compliance and maintenance, while providing flexibility to support Microsoft environments when required. Role Summary As a Mixed-Platform Systems Engineer, you will manage and optimise our Linux … the smooth operation of our platforms. This is a hands-on role offering opportunities to learn and grow within a broad technology stack. Key Responsibilities Administer, manage, and optimise Linux servers (Ubuntu & CentOS) across physical, virtual, and cloud environments. Configure, maintain, and secure web servers (Apache and Nginx) hosting PHP applications. Implement and manage server security using firewalls (UFW … iptables) and tools such as Fail2Ban. Support and maintain database systems (MySQL and MariaDB). Provide operational support for both Linux and Windows Server systems, including patching, monitoring, and troubleshooting. Support Microsoft Windows Server environments (2016/2019/2022), including Active Directory, DNS, DHCP, and Group Policy management. Work closely with Development teams to provision, secure and maintain More ❯

Position Overview: The Senior Linux System Administrator is responsible for leading system administration activities. This position oversees the installation, configuration, maintenance, and integrity of computing systems and software. The role involves planning, ensuring long-term system requirements align with organizational objectives, and implementing system enhancements to improve performance and reliability. Key Responsibilities: Lead system administration activities across ARLEN … Education: Master's degree or Bachelor's degree with an additional 2 years of relevant experience • Certifications (Required): CompTIA Security+ CE or CompTIA Server+ CE Red Hat Certified System Administrator (RHCSA) MCSA, MAC OS, or MCP Must meet DoD 8750 and 8140 compliance requirements Technical Environment: Windows Server MCEM MAC OS RHEL, RedHat Enterprise Virtualization Hypervisor KVM Puppet Patch More ❯

open to Negotiation IAT Level 2 requires one or more of the following Professional Certifications: Security+ CE, CCNA Security, GICSP, GSEC, SSCP, CySA+, CND. • Experience administering Red Hat Enterprise Linux (RHEL) based systems • Using and developing automation tools/frameworks such as Ansible, as well as scripting, primarily Bash and Python Desired Qualification Deployment and administration of systems, storage More ❯

support final solution(s). Participate in frequent internal engineering and strategy team meetings. Build direct customer relationships to improve organizational feedback loop. Required Skills: Extensive RedHat (RHEL), CentOs Linux, and/or UNIX experience. Experience managing NiFi data flows. Experience with VMWare or associate technologies (ESX, NSX, VSAN, KVM, Nutanix or other). Ansible or other automation platform …/methodology experience. System scanning/hardening - STIGS/CIS Compliance. Proficiency installing, hardening, patching, and backup/restoration of Linux systems. Understanding of system monitoring, health/status, and best practice security methodologies. Familiarity with Windows Server environments Desired Skills: Docker, Kubernetes, and AWS familiarity. Understanding of Active Directory or FreeIPA. Familiarity with nginx, HAProxy, or other load … Python experience. Familiarity with Git/GitLab. Storage Technology experience including hyper converged, SAN, or IP based storage. Past experience supporting managed attribution programs. RHCSA (Red Hat Certified System Administrator) and/or RHCE (Red Hat Certified Engineer) certification. Experience/Education: 9 yrs. experience in System Administration Clearance: TS/SCI clearance with polygraph is required. Total Compensation More ❯