26 to 44 of 44 Senior Systems Administrator Jobs

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 ❯

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 ❯

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 ❯

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 ❯

Barbaricum is a rapidly growing government contractor providing leading-edge support to federal customers, with a particular focus on Defense and National Security mission sets. We leverage more than 17 years of support to stakeholders across the federal government, with More ❯

requirements o Multi-vendor servers running Red Hat of SuSe with direct attached, FC SAN storage or SSDs • Distributing computing tools such as ReS, LSF, and SLURM • HPC farm systems, HPC MPP clustered systems, Front End servers of Special Purpose devices (SPDs) • IBM of HP Blade servers with FC/SAS/Network back end • Multi-vendor filesystems … such as XFS, GPFS and Lustre • Pre-Factory testing, Factory testing, System integration and Acceptance testing during the purchase process of the HPS systems Requirements Accepted professional certifications include: Valid RHCSA or higher red Hat certification Valid VMWare certification IAT Level II Certification Required EQUAL OPPORTUNITY EMPLOYER VETERANS DISABLED More ❯

requirements o Multi-vendor servers running Red Hat of SuSe with direct attached, FC SAN storage or SSDs • Distributing computing tools such as ReS, LSF, and SLURM • HPC farm systems, HPC MPP clustered systems, Front End servers of Special Purpose devices (SPDs) • IBM of HP Blade servers with FC/SAS/Network back end • Multi-vendor filesystems … such as XFS, GPFS and Lustre • Pre-Factory testing, Factory testing, System integration and Acceptance testing during the purchase process of the HPS systems Requirements Bachelors degree in Computer science or related field and 10 years of demonstrable experience supporting the IT community Accepted professional certifications include: Valid RHCSA or higher red Hat certification Valid VMWare certification IAT Level More ❯

Experience with Agency security requirements and implementation of STE mechanisms Requirements TS/SCI clearance with a polygraph Bachelor's degree in Technology and 15+ years of experience with systems administration, or 20+ years of experience with systems administration in lieu of a degree More ❯

Job Number: 220 Job Category: GovTech Job Title: SENIOR SYSTEM ADMINISTRATOR (220) - TEXAS - URGENT Job Type: Full-time Clearance Level: Top Secret/SCI - Full Scope Polygraph Work Arrangement: On-site Job Location: San Antonio TX Salary: 160K Background Provide support for implementation, troubleshooting and maintenance of IT systems Manage the daily activities of … configuration and operation of IT systems Perform periodic vulnerability scans of systems Implement IAVA security patches and insure patch status is recorded in appropriate systems of record Optimize system operations and resource utilization, and perform system capacity analysis and planning Configure and manage UNIX, Linux and Windows (or other applicable) operating systems and installs/loads … with the Information System Security Officer (ISSO) and Information System Owner (ISO) regarding system changes as part of the Change and Configuration Management Process components, along with implementing operating systems enhancements to improve reliability and performance Support the ISO by completing required milestones of POA&M as directed and coordinate completion status with the ISSO to reflect status within More ❯

Senior Linux Automation System Administrator Onsite Location: Aurora, CO Required: TS/SCI w/Poly W2 hourly Contract to Hire Only Pay: $65.00 to $89.00/hr. D.O.E. Based on the benefits chosen No C2C, we can NOT work with outside agencies/vendors, and we can NOT do 1099-US TS/SCI … 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 SKILLS PREFERRED Deployment and administration of systems, storage, and networking … in virtualized environments using VMware vCenter Experience managing network devices Experience administering Windows based systems Experience with pipeline tools such as Jenkins and Artifactory Demonstrated ability to work independently and troubleshoot problems with efficiency What You Will Do Building, maintaining, and securing Information Technology systems and directly supporting customer mission-critical capabilities using industry standard automation tools. Work More ❯

Would you like to perform rewarding work while contributing to the success of an established, growing company? Navstar is an award-winning organization that has a proven track record of successfully providing IT services and solutions both as a prime More ❯

features (e.g., Snapshot, SnapVault, FlexClone, SnapMirror, FlexVol, Fabric Pool, and Object Storage) Knowledge of the NetApp storage grid Knowledge of virtualization platforms (e.g., VMware) and their integration with storage systems NetApp OnTap Proficiency in NAS protocols, including NFS and SMB Proven track record in designing and managing enterprise storage environments Some of your day-to-day activities will include … Responsible for installing, configuring, maintaining and troubleshooting database backups Troubleshoot and diagnose technical issues related to NetApp and Commvault systems Develop and maintain technical documentation, including troubleshooting guides, best practices, and standard operating procedures Mentor and train other support engineers in the team, sharing knowledge and best practices Stay current with the latest NetApp technologies, best practices, and certifications More ❯

feel supported in the workplace and at home, there's nothing we can't achieve. BASIC QUALIFICATIONS - 8+ years of specific technology domain areas (e.g. software development, cloud computing, systems engineering, infrastructure, security, networking, data & analytics) experience - 3+ years of design, implementation, or consulting in applications and infrastructures experience - 10+ years of IT development or implementation/consulting in More ❯

every day or in a flexible, hybrid work model near one of our Sweden Amazon offices. BASIC QUALIFICATIONS - Experience within specific technology domain areas (e.g. software development, cloud computing, systems engineering, infrastructure, security, networking, data & analytics). - Experience in design, implementation, or consulting in applications and infrastructures - Experience in IT development or implementation/consulting in the software or More ❯

experienced System Administrator ready to support a mission that truly matters? At KRYPTAURI, we're looking for a skilled professional to help maintain and optimize secure IT systems that support national defense and global collaboration. What You'll Do: - Manage and troubleshoot enterprise IT systems across LINUX and Windows environments. - Monitor system health, resolve hardware/… software/network issues, and support daily operations. - Apply security patches and ensure systems meet DoD cybersecurity standards. - Collaborate with stakeholders to manage system changes and maintain security authorizations. - Provide Tier 1 and Tier 2 support, escalating issues and communicating status as needed. - Analyze system performance and recommend improvements. - Support the design and architecture of mission-critical systems More ❯

Check out this new opportunity! Sr System Administrator North Charleston, South Carolina Contract Position $47.00/Hour Responsibilities: Lead Windows system administration tasks including configuration, patching … and performance tuning for Windows Server 2012/2016, SQL Server 2014, and Windows 10 environments. Oversee installation, upgrades, and support of software and hardware in line with military systems architecture and IT policies. Configure and maintain Active Directory, Group Policy, and Exchange environments for secure, high-availability operations. Support workstation imaging, deployment, and management using enterprise-level tools. … continuity. Maintain accurate documentation of system configurations, processes, and troubleshooting steps. Mentor junior administrators, supporting a collaborative and knowledge-sharing environment. Participate in long-term strategic planning of military systems infrastructure, incorporating evolving technologies. Qualifications: Clearance: Active Secret Clearance required Education: Bachelor's degree in Information Technology, Computer Science, or related field preferred Experience: Several years of hands-on More ❯

and errors in applications Develop recommendations for enhancing software support services Ensure adherence to IT infrastructure standards, policies, and procedures Update work instruction documentation and standard operating procedures Ensure systems and applications comply with Department of Defense (DoD) directives, including DISA STIG and IAVM bulletins What's In It For You: Competitive wages Medical and dental coverage 401(k … Infrastructure Scripting to automate tasks using PowerShell and/or AWS Console Familiarity with Virtual Desktops and virtualization (VMware ESXi preferred) Experience in large-scale deployments as an administrator Knowledge of cloud migration and AWS Cloud Platform (IaaS preferred) Load balancing/failover technologies General knowledge of antivirus, vulnerability scanning software, and Security Information and Event Management (SIEM More ❯

and willing to take on any challenge. Enjoy working with customers of all shapes and sizes. You will have a passion for educating, training, designing, and building cloud computing systems for a diverse and challenging set of customers. Have a strong understanding of large scale cloud computing solutions. The ideal candidate will have past experience working as a security … systems engineer or security architect. You will enjoy keeping your existing technical skills and developing new ones, so that you can make strong contributions to deep architecture discussions around securing systems and applications in the cloud. You regularly take part in deep-dive education and design exercises along with technical deep dive drive technical discussions to create world … presentation skills - Presentations, white boarding, large and small group speaking. Technical - broad and deep knowledge of fundamental security principles and technologies, Security services development/deployment experience, and IT systems and network engineering experience. Operational Security - should have experience in operationalizing both infrastructure and application security controls Economic and business - RFP/Acquisition support; market analysis; cost benefit analysis More ❯

AEITS, Inc. is seeking a Senior Software Developer with expertise in ServiceNow and a proven track record in enterprise software development to support our mission-focused software development team. In this position, you will support our customer in the Annapolis Junction, MD area. In this role, you will provide technical leadership, contribute to the full software development … implementations across complex systems. Mission: As a Software Developer supporting this government program, you will lead the design, development, and optimization of ServiceNow-based solutions to support enterprise-wide systems and ensure alignment with organizational and security standards. You will apply expert-level knowledge across the software development lifecycle, driving innovation while maintaining system integrity, performance, and compliance. Location … Administrator Requirements: U.S. Citizenship TS/SCI with Polygraph Bachelor's Degree and 20 years of relevant experience Research, design, develop, and/or modify enterprise-wide systems and applications Apply expert-level knowledge to all phases of the software development lifecycle (SDLC) Lead efforts in software updates, refinement, testing, debugging, and documentation Ensure code and configuration More ❯