51 to 75 of 113 Senior Systems Administrator Jobs

Overview GovCIO is currently hiring a Senior Network and Computer Systems Administrator to support our newly awarded United States Coast Guard (USCG) Maverick contract. This will be located in Alexandria, VA and is a hybrid remote position. Responsibilities Establishes and maintains smooth operation of computer systems (to include operating systems, software and … hardware) in networked or stand-alone configurations, maintains system integrity, and upgrades systems and/or servers as required. May create and document new methods supporting network/system operations and implement changes to procedures. Consults with support teams, help desks, customers and other technical staff in the resolution of problems, coordinates and performs operation and/or maintenance … maintain performance efficiencies and/or study system requirements to determine proper server installation methods and procedures. Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations Plan, coordinate, and implement network/system security measures in order to protect data, software, and hardware Provides regular monitoring and analysis regarding More ❯

technology resources within a virtual environment for High Performance Computing ( HPC ) technology, digital engineering, and data analytics. You will maintain responsibility for the installation of new equipment and operating systems to best suit the needs of analysis to be c ond ucted and the engineers requiring support. You'll support the review of current infrastructure to provide an overview … and prepare plans for improvement and enhancement that will increase efficiency and security within the network. You will maintain responsibility for cutting-edge computing systems and the evaluation of their use for research in furtherance of the mission. Your system administrator expertise will be vital as you identify problem areas and opportunities for improvement in a mission … turning metrics into information and explaining their meaning. Join us. The world can't wait. You Have: 5+ years of experience configuring and managing Unix, Linux, or Windows operating systems, including installing or loading operating system sof tware, troubleshooting, maintaining integrity of and configuring network components, and implementing operating systems enhancements to improve security, reliability, and performance Experience More ❯

and highly technical individual capable of providing information technology support to groups performing cutting-edge research supporting national security interests. In the role of Senior IT Systems Administrator, a successful candidate will leverage experience supporting Linux and Windows-based IT infrastructure as well as DevOps-oriented tools and processes to provide end-user support … operation, and maintenance of IT systems in several classified computing environments. As a part of a large, distributed team of IT professionals, this role affords a self-motivated candidate a high degree of flexibility and autonomy, permitting you the opportunity to learn and grow while making a direct impact on national security. This is an on-site position located … at our Fairfax office. Responsibilities Provide Tier 2 and Tier 3 operations and support of VMware based environment with Linux and Windows based operating systems across multiple national security information systems Coordinate with Engineering and Helpdesk personnel to ensure seamless and reliable network operations Employ creative solutions and cutting-edge technologies to ensure the security, integrity, and availability More ❯

why we are a top veteran employer and Certified Great Place to Work ASRC Federal System Solutions, LLC. (AFSS), a subsidiary of ASRC Federal, is a premier provider of systems engineering, software engineering, system integration and project management services for real-time, mission-critical defense systems. AFSS is seeking a Principal System Administrator in Colorado Springs, CO … to support the Ground Based Radar Maintenance and Sustainment Service (GMASS) program. Key Role: • Perform as a Windows/Red Hat/Linux Systems Administrator for a large classified government contract. • Maintain smooth operation of multi-user computer systems, including coordination with network, software, hardware, and system engineers, end users, and • customer and IT management. • Support … implement system enhancements to improve performance and reliability of the system including installing, upgrading/patching, monitoring, • problem resolution, and configuration management. • Provide backup and recovery services; manage file systems and disk space; manage virus protection on a routine basis. • Create and maintain user and computer accounts and modify file permissions and security access lists. • Make recommendations to purchase More ❯

The Level 4 System Administrator: Provide support for implementation, troubleshooting and maintenance of IT systems Manage the daily activities of configuration and operation of IT systems Provide Tier 1 (Help Desk) problem identification, diagnosis and resolution of problems Provide assistance to users in accessing and using IT systems Provide Tier 1 (Help Desk) and Tier … Perform account management, e.g. establishing, activating, modifying, disabling, and removing accounts. Provide configuration management, implementation, and sustainment of compliance with applicable system security controls. Perform periodic vulnerability scans of systems Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices … etc. Implement IAVA security patches and insure patch status is recorded in appropriate systems of record. Provide support for the escalation and communication of status to agency management and internal customers Optimize system operations and resource utilization, and perform system capacity analysis and planning Provide in-depth experience in trouble-shooting IT systems Provide detailed analysis and feedback More ❯

Senior Network and Computer Systems Administrator Job Category: Information Technology Time Type: Full time Minimum Clearance Required to Start: TS/SCI Employee Type: Regular Percentage of Travel Required: Up to 10% Type of Travel: Local The Opportunity: Join our dynamic team in support of the Army National Guard (ARNG). This is an … a meaningful impact in a role that is vital to the defense and security of our country. Responsibilities: Provide comprehensive support for the integration, maintenance, and sustainment of intelligence systems across ARNG G-2 and its strategic partners. Conduct system installations, configuration management, and troubleshooting for Multi-Intelligence Processing, Exploitation, and Dissemination (PED) platforms, including Full Motion Video (FMV … deployment requirements and sustainment operations to maintain mission readiness. Lead the Technical & Innovation Board and Engineering & Sustainment Center and participate in the AARB. Qualifications: Proven experience as an MI Systems Integrator/Maintainer or equivalent role. In-depth knowledge of Multi-Intelligence Processing, Exploitation, and Dissemination (PED) platforms. Strong skills in system installations, configuration management, and troubleshooting. Experience with More ❯

least fifteen (15) years of direct/relevant experience. Bachelor's degree in a technical discipline from an accredited college or university is required. Five (05) years of additional Systems Administration experience on projects with similar processes may be substituted for a bachelor's degree. Security+ Certification. Provide support for implementation, troubleshooting and maintenance of IT systems. Provide Tier … assistance to users in accessing and using IT systems. Provide Tier I (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis and resolution of problems. Provide support to IT systems including day-to-day operations, monitoring and problem resolution for all of the client/server/storage/network devices, mobile devices, etc. Provide support for the escalation … for escalated tickets. Provide support for the dispatch system and hardware problems and remains involved in the resolution process. Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. In addition More ❯

Job Description At BAE Systems, we promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed. We offer a flexible work environment to support the balance in your life and keep you performing at your best. We are seeking HPC Systems Administrators to: Support a large client-server based … IAT Level II Certification Required. Experience with the following: Servers running Red Hat, CentOS, SolarisX64, SuSe, Virtual Appliances, with direct attached and FC SAN storage Large SPU, memory SMP systems and clusters with many cores Enterprise client server configurations (Group Policy, Centrify, DNS, LDAP Linux Scripting (Bash, Perl etc) Linux Logical Volume Management (LVM) Distributed Filesystems Configuration Management tools … Experience troubleshooting PXE and DHCP boot process. Multi-vendor filesystems such as XFS, GPFS, and CXFS, EXT4, CIFS, NFSClustered Blade systems and associated interconnects (iSCSI, SAD, FC, TCP/IP, etc.) Advanced Red Hat/CentOS and Microsoft Windows Operating System (including Group Policy management) Microsoft Exchange policy management, mailbox management, enterprise-level multi-site design and architecture Enterprise 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 More ❯

t be done by solving the most daunting challenges facing our customers. Visit to learn how we're keeping people around the world safe and secure. Program Overview Applies systems engineering principles throughout the systems life cycle phases: Concept, Development, Production, Utilization, Support, and Retirement. Perform systems engineering activities and assist in the preparation of multiple work … and resolve problems. Manage IT system infrastructure and any processes related to these systems. Manage the daily activities of configuration and operation of IT systems. Provide support to IT systems including day-to-day operations, monitor and problem resolution for all the client/server/storage/network devices, mobile devices, etc. Aid users in accessing and using … for escalated tickets. Provide support for the dispatch system and hardware problems and remains involved in the resolution process. Configure and manage UNIX and Windows (or other applicable) operating systems and installs/loads operating system software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. Support the More ❯

Job Number: R Linux System Administrator, Senior The Opportunity: Your technical expertise makes you the team hero, solving one problem after another. What if you could use those skills to improve the technology supporting the Department of Defense? We're looking for a Cross Domain Platform System Administrator to help us design, deploy … firewalls, Linux RPMs, networking configuration, and DNS TS/SCI clearance with a polygraph Bachelor's degree in a CS or IT field and 5+ years of experience with systems or network administration, or 10+ years of experience with systems or network administration in lieu of degree Ability to obtain a DoD 8570.1 IAT Level II Compliant Certification … within 60 days of start date Nice If You Have: Experience with AWS Experience managing systems using Infrastructure as Code technologies, including Salt, Ansible, Puppet, PowerShell, Chef, and Terraform Experience with Python Experience with NiagraFiles Knowledge of bi-directional network transfer systems DoD 8570.1 IAT Level II Compliant Certification Clearance: Applicants selected will be subject to a security More ❯

Level II or higher certification: CCNA Security, CSA+, GICSP, GSEC, Security + CE, or SSCP is required. - Familiar with Active Directory and SCCM - Experience with Aegis and other BMD systems/platforms - Experience interacting with both internal and external customers/end-users - Must be able to work independently with minimal supervision Security Clearance Statement: This position requires a … based in many states throughout the U.S., and Internationally, with business locations in many nations and territories. Experience Level: Experienced Professional Business Unit: RMS Relocation Available: Possible Career Area: Systems Engineering: Network Systems Engineers Type: Task Order/IDIQ Shift: First More ❯

Administrator at CyberPoint, you will work to analyze and resolve complex problems associated with server hardware, applications, and software integration. Configure and manage UNIX and Windows operating systems and installs/loads operating systems software, troubleshoot, maintain integrity of and configure network components, along with implementing operating systems enhancements to improve reliability and performance. When … complexity is required. Five (5) years of additional SA experience may be substituted for a bachelor's degree. IAT I certification Familiar with following technologies: Linux/RedHat Operating Systems, VMWare Provides support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes related to these systems. Provides support to IT systems … to agency management and internal customers. Provides support for the dispatch system and hardware problems and remains involved in the resolution process. Configures and manages UNIX and Windows operating systems and installs/loads operating system software, troubleshoots, maintains integrity and configures network components along with implementing operating systems enhancements to improve reliability and performance. Our Culture Great More ❯

Title Senior System Administrator Full-Time/Part-Time Full-Time Description RiVidium Inc. is seeking a Senior System Administrator to serve as the System Administrator for a closed restricted network and support other DoD guest systems at various classification levels: Tasks for the position shall include … but not limited to: performing installation, troubleshooting and other administrative tasks associated with ongoing maintenance and enhancement of information systems and services. Performs systems planning, management, analysis, integration, installation and training tasks that include all aspects of preparing and implementing a highly complex and integrated array of hardware, software (applications and operating systems), networks and procedures. Perform … M (CCNA Security, CySA+, GICSP, GSEC, Security+ CE, CND, SSCP Degree in (Preferred): BA/BS from an accredited college or university in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science Minimum Years of Experience: Over six years' experience with systems administration and desktop support About the Organization Established in 2008, RiVidium, Inc. (dba TripleCyber) is More ❯

Zachary Piper Solutions is seeking a Systems Administrator to support a complex, multi-site IT infrastructure based in El Segundo, CA. This role is centered around Red Hat Linux-based High-Performance Computing (HPC) clusters and includes support for secure lab environments, classified networks, and future integration of embedded Linux systems like VxWorks. Key Responsibilities: - Design … and implement secure system architectures using best practices in software and systems engineering - Provide end-to-end IT support across desktops, servers, and virtualized environments - Manage system access, patching, and hardware/software release planning - Administer and maintain Linux (RHEL) and Windows systems - Troubleshoot complex system issues and automate tasks using scripting (e.g., PowerShell) - Support classified networks and … supporting lab/test environments and classified networks - Strong background in Linux and Windows OS installation, configuration, and troubleshooting - Hands-on experience with IT hardware, networking equipment, and HPC systems - The ability to stand up virtual Linux environments - Security+ certification (or ability to obtain within 6 months) Preferred Qualifications: - Deep experience with RHEL, Windows Server/Desktop, VMware, and More ❯

Sr. Microsoft Systems Administrator (Sys Admin) Must be able to obtain a Public Trust Location: Washington, DC/Hybrid Shift: • Two days per week onsite requirement at DOT HQ, Washington DC. • Once every 23 months support existing server infrastructure in a 24x7 on call escalation capacity as part of a team rotation. Experience: Must have a minimum … of 10 years of experience administrating and managing servers and systems, cloud infrastructure, file and print environments, specializing in Windows operating systems. Must have advanced knowledge of Microsoft Active Directory and SQL Server. Must possess a Microsoft Certified Solutions Expert (MCSE) - Server Infrastructure or equivalent. Duties: Responsible for the day-to-day management of the Windows Server infrastructure, to … design, implementation, and integration with Windows Active Directory, MS ADFS, and Domain Controllers. The candidate will be working with a team of server engineers to troubleshoot issues for multiple systems in multiple datacenter locations. The candidate will provide support, implementation, and design services for Windows-based systems across the enterprise. The candidate will be responsible for resolving and 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 … 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), scripting in Bash and Python Supporting hardware installations (must be able to lift up to 35 lbs) Participating in after-hours maintenance … 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 Windows systems Knowledge of DevOps pipeline tools such as Jenkins and Artifactory Strong independent troubleshooting and problem-solving skills More ❯

Description Task Description The System Administrator shall be responsible for providing network management and systems administration to maintain the customer 's High Performance Computing (HPC) infrastructure and HPC development environment Task Required Skills Experience using the Linix CLI Experience developing scripts using Bash/Python Experience performing System Administration including installation, configuration, and support of COTS/ More ❯

Essential Duties and Responsibilities may include the following. Other duties may be assigned. Applicant must have experience with the application of DISA Security Technical Implementation Guides (STIGs) on operating systems Windows and Linux operating systems. System Admin experience with Red Hat Enterprise Linux (RHEL) Understanding of network administration tools, techniques, and methods. Fundamental knowledge in networking principles (TCP/… and teamwork skills, analytical and problem-solving skills, written and verbal communication abilities. Supervisory Responsibilities This job has no supervisory responsibilities but provides technical leadership and guidance to other Systems Administrators. This includes, but is not limited to training employees, planning, assigning, directing work and resolving technically related work problems. It also includes interaction with other technical teams and … AntiVirus software and strategies Server troubleshooting and repair Storage concepts and technologies Server backup strategies, methodologies, and solutions Network Thorough understanding of Local and Wide Area Networking Network Management Systems Routing Protocols Switching Technologies TCP/IP protocol suite Application protocols Network Security Client Microsoft Active Directory Network Operating System Supporting Technologies Desktop Operating Systems Familiarity with desktop More ❯

Senior Windows Systems Administrator ACTIVE TS/SCI CLEARANCE with FS poly REQUIRED TO BE CONSIDERED FOR THIS POSITION Attend TEMs to discuss and agree upon MOAs -ensure MOA is within scope of server team's work. Assess server loads and work with tech lead on developing tuning recommendations Assist in server maintenance and More ❯

a mission - it's a reflection of our dedication to harnessing the power of diversity, knowledge, innovation, and commitment. What we are looking for A strong Windows and Linux Systems Administrator who is comfortable working in a fast-paced complex IT environment and simultaneously providing excellent troubleshooting and user technical support. In this role you will be …/SCI with Full Scope Polygraph clearance. - 8570 IAT II minimum (Sec+ or equivalent). - Minimum 8-10 years of experience providing support for users and monitoring/optimizing systems in infosec environments. - At least 5 years of experience in Linux or Unix server administration using RHEL and/or CentOS within an enterprise environment. - At least 2 years … or similar enterprise vendors). - Hands-on experience managing YUM repository. - Advanced PowerShell or Bash scripting. - Practiced understanding of software and security architectures such as Windows/Linux operating systems, VMware architecture (vSphere/vCenter), HP OpenView, and/or Windows Server upgrades. - Thorough understanding of advanced security protocols and standards, and information security principles and best practices. - Independent More ❯

engineering requests that meet operational needs as well as upgrading and maintaining capabilities. The selected candidate must be comfortable working in a fast-paced environment with multiple air-gapped systems which have individual domains and supporting infrastructure, and with maintaining a complex IT environment with multiple logins and associated supporting storage and network infrastructure. The role requires an energetic … and must adapt quickly in working with the team to undertake various system administration network-centric tasking. Responsibilities Include: The selected individual will be responsible for installing and administrating systems, applications, and processes, and for ensuring that all issues are identified and resolved in a timely manner. She/he will be responsible for ensuring server and desktop configurations … and external support personnel regarding system outages and upgrades and conferring with upper management regarding recommended resolution options. Basic Qualifications: Bachelor's Degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related technical field and at least 12 years of relevant experience. Additional experience may be substituted for a degree. Must have experience as More ❯

Responsibilities & Qualifications RESPONSIBILITIES Installation, configuration, maintenance, and administration of Active Directory. Be comfortable updating and troubleshooting a range of enterprise situations that involve things like Group Policy Object management, authentication, and VDI. Familiar with VDI platforms, preferably Horizon View. VMWare More ❯

performance, and security of our cloud systems. Your responsibilities will include: Monitoring and maintaining system health across distributed environments Troubleshooting hardware, software, and network issues Sustaining and optimizing storage systems Collaborating with hardware, software, security, and infrastructure teams Automating tasks and managing configurations using tools like Puppet, Bash, and Python Providing after-hours support as needed for mission-critical … accounts Keeping accurate hardware and system inventoriesWho You Are: You're a proactive, skilled Linux system administrator with a strong background in: Operational troubleshooting of cloud-based systems and large-scale distributed clusters Tools such as Hadoop, Accumulo, and experience managing cloud infrastructure Scripting and automation using Bash, Python, or other scripting languages Configuration management with Puppet … tools)You understand that requirements can shift quickly and are ready to adapt in real time to global operational needs. Why Peraton? At Peraton, you won't just maintain systems-you'll safeguard missions. You'll work alongside passionate professionals who are dedicated to protecting the nation through advanced technology and innovation. We offer competitive compensation, a comprehensive benefits More ❯

Overview SilverEdge is seeking a Senior System Administrator to serve for a closed restricted network and support other DoD guest systems at various classification level. Tasks include performing installation, troubleshooting and other administrative tasks associated with ongoing maintenance and enhancement of information systems and services. Performs systems planning, management, analysis, integration, installation … and training tasks that include all aspects of preparing and implementing a highly complex and integrated array of hardware, software (applications and operating systems), networks and procedures. Perform updating, upgrading, security hardening and maintenance tasks on a variety of servers including physical, virtual and cloud based. Perform Security Technical Implementation Guide (STIG) configurations on Windows, Linux, and Network based … years of experience with System Administration Active TS/SCI Desired Qualifications BA/BS from an accredited college or university in Information Technology, Cybersecurity, Data Science, Information Systems, or Computer Science Active Polygraph About SilverEdge SilverEdge Government Solutions was founded on the belief that nurturing talent and collaborating closely with our customers enables us to think big and More ❯