26 to 50 of 243 Permanent Senior Systems Administrator Jobs

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 ❯

Overview SR. SYSTEMS ADMINISTRATOR (BAMCIT): Bowhead seeks a Sr. Systems Administrator to support the Geographic Service Providers (GSP) Brooke Army Medical Center (BAMC) IT Support Services directorate located in San Antonio, TX. The Military Medical Treatment Facilities (MTFs) IT (Information Technology) division supports the continued management and administration of DHA systems, applications, networks … cybersecurity, and telecommunications services for the PEO MS/J-6 through contractor staff augmentation. The Sr. Systems Administrator is tasked with improving IT practices and mechanisms with consistent support to end users without degradation to local and DHA operations. Responsibilities Utilize the IT Service Management (ITSM) Information Technology Information Library (ITIL) v4, or latest version framework … adequately provide end users consistent, available, and reliable IT services. Demonstrate advanced knowledge and experience in the enterprise level design and deployment of technologies such as Windows Server Operating Systems (2016,2019, 2022), Storage Area Networks (SAN), VMware vSphere, Citrix Virtual Apps and Desktops, Citrix XenServer, Internet Information Services (IIS), Microsoft SQL Server, Microsoft Active Directory Domain Services, 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 ❯

R- Description Leidos is seeking a highly skilled Senior Systems Administrator to support mission-critical operations across various laboratory environments. This role focuses on acquiring, configuring, and maintaining computer servers, operating systems, networks, and network file systems to address complex mission-specific challenges. The Senior Systems Administrator … requires adaptability, strong problem-solving skills, and the ability to collaborate with cross-functional teams to meet diverse mission requirements. Key Responsibilities: Acquire, configure, and maintain computer servers, operating systems, networks, and network file systems in lab-based environments to support mission objectives. Upgrade, install, and configure application software and computer hardware to ensure optimal performance for mission … and manage system permissions and user accounts, ensuring secure access control across lab systems. Perform regular security tests and monitoring to maintain the integrity and confidentiality of mission-critical systems and data. Maintain and optimize networks and network file systems, ensuring interoperability and performance in diverse lab environments. Leverage knowledge of coding and cloud computing to enhance system More ❯

R- Description Leidos is seeking a highly skilled Senior Systems Administrator to support mission-critical operations across various laboratory environments. This role focuses on acquiring, configuring, and maintaining computer servers, operating systems, networks, and network file systems to address complex mission-specific challenges. The Senior Systems Administrator … requires adaptability, strong problem-solving skills, and the ability to collaborate with cross-functional teams to meet diverse mission requirements. Key Responsibilities: Acquire, configure, and maintain computer servers, operating systems, networks, and network file systems in lab-based environments to support mission objectives. Upgrade, install, and configure application software and computer hardware to ensure optimal performance for mission … and manage system permissions and user accounts, ensuring secure access control across lab systems. Perform regular security tests and monitoring to maintain the integrity and confidentiality of mission-critical systems and data. Maintain and optimize networks and network file systems, ensuring interoperability and performance in diverse lab environments. Leverage knowledge of coding and cloud computing to enhance system More ❯

We are seeking an experienced Senior Systems Administrator - Server Operations Lead to support a mission-critical IT security program within a Federal Government environment. This role is responsible for leading server operations, system administration, and infrastructure management, ensuring the security, availability, and performance of IT systems. The ideal candidate will have expertise in server … optimize system performance, and ensure compliance with Federal IT policies. Responsibilities Server Operations & System Administration Oversee server infrastructure, ensuring optimal performance, reliability, and security. Plan, test, and implement information systems to support mission-critical operations. Manage hardware configuration and software application integration to meet system requirements. Maintain and administer Active Directory, Group Policy Objects (GPOs), and identity management solutions. … Develop and enforce access control measures, encryption policies, and system hardening techniques. Maintain documentation of security configurations, system changes, and incident responses. Team Leadership & Training Lead and mentor system administrator team, fostering a culture of technical excellence and collaboration. Provide training on server administration, security best practices, and IT operational procedures. Assign and oversee team workloads, ensuring timely More ❯

collective proven experience supporting missions in cyber and space defense, space exploration, hypersonic and nuclear deterrence and warfighter readiness. Visit for more details. Responsibilities Arcfield is looking for a Systems Administrator with prior Sponsor experience to provide Operations and Maintenance (O&M) support for the Sponsor's business systems environment (BSE), based on technical requirements. Responsibilities … pertaining to performance issues, data integrity, interface failures, and/or system operation anomalies that affected IT resource tracking, billing, and invoicing activities Ensure recovery processes are executed for systems/applications and data maintained within the BSE Ensure system/application vulnerabilities and risks are promptly addressed and mitigated Conduct and manage backup and recovery tests for systems … SSL, x509, PKI certificates, system hardening, response criteria for system alarms and audit events, and managing access control Ensure cloud hosting requirements are maintained and optimized for all business systems/applications hosted within the BSE Ensure deployed systems/applications within the BSE continue to perform as implemented, after network, virtual machines (VMs), and servers are upgraded More ❯

About This Job GoldenTech, a leader in Air and Space Force Solutions, has an opening at Hill Air Force Base, Utah, for a Senior Systems Administrator with emphasis on Primavera Experience. This role is part of our Information Services team, contributing to our mission of Strategic Deterrence by driving continual improvement and innovation. Key … functionality, ensuring security configurations, and removing software from networks as needed Training team members in business practices and documenting Standard Operating Procedures (SOPs) Performing software version upgrades and providing systems administration for Windows servers (2016 and 2019) and workstations Designing, installing, configuring, and troubleshooting Microsoft Active Directory Implementing and testing software patches and security fixes; configuring and hardening new More ❯

Description SAIC's Horizon 2 contract is seeking an energized and professional Senior Systems Administrator to support the contract's secure operating facilities in Colorado Springs, CO. Your background in configuring, maintaining, and troubleshooting systems in both Windows and Linux environments will be the driving force behind the success of our missions for … will do on the job: Address and maintain all hardware and software, in compliance with established policies, as well as establish and maintain accounts for authorized users. Supporting the systems will encompass a range of responsibilities, from server and workstation configuration and maintenance, LAN setup and operability, to cable management, Audio-Visual systems setup and maintenance, and analog … assistance to users in accessing IT systems. Install and maintain computers (laptops and desktops), to include performing software installations. Manage the daily activities of configuration and operations of IT systems, to include user accounts and system certificates. Problem identification, diagnosis, and resolution, and providing support for implementation, troubleshooting and maintenance of IT systems, to include utilizing software tools More ❯

GDIT seeks a highly motivated and experienced Enterprise Senior Systems Engineer to support the Defense Threat Reduction Agency (DTRA) Defense Stockpile Management System (DSMS) mission at Fort Belvoir, VA. Essential Experience, Knowledge, Duties and Responsibilities: Analyze and evaluate existing hardware/software technology systems and design technological improvements. Monitor and verify the availability, validity, and … Key Infrastructure (PKI) methodologies and processes. Fundamental knowledge of RSA SecurID multifactor authentication and processes. Research, plan, propose, and brief Analysis of Alternatives (AoA) on enterprise infrastructure hardware, operating systems, and applications with recommendation(s) of appropriate Course of Action (COA). Provide technical guidance on emerging IT industry developments and technology capabilities. Routinely review and manage mitigation efforts … deadlines and balance numerous priorities. Excellent written and oral communication skills. Required Knowledge, Skills, and Abilities: Experience with DISA STIGs and their relation to Windows, Linux, and VMWare Operating Systems security. Intermediate experience with PowerShell scripting and deployment. Prior experience building, deploying, and administrating Windows Server . Experience with providing Active Directory Domain Services and Public Key Infrastructure services. More ❯

General Dynamics Information Technology (GDIT) is seeking an IT Engineer with Microsoft Enterprise Systems Administrator Advisor experience to join our team in support of a Federal Intelligence Agency contract. In addition to receiving a competitive salary and generous health and personal benefits, the IT Engineer will enhance their skill set among a talented and technically accomplished group … required. Bachelors Degree in Computer Science, Engineering or a related technical discipline, or the equivalent combination of education, technical training, or work/military experience. 3+ years of related systems administration experience TS/SCI with Polygraph is required. Candidate must possess an appropriate and current DoD Information Assurance (IA) Certification to be considered for employment; either valid CompTIA … Security+ CE, Systems Security Certified Practitioner (SSCP) or Cisco Certified Network Associate (CCNA)-Security. CompTIA Security+ CE Certification is the preferred certification. In addition, candidate must attain the required DoD 8570 Computing Environment (CE) Training within six (6) months of Hire Date. Successful candidates are expected to have related experience and knowledge/understanding of: Active Directory Administration DNS More ❯

Golden Tech Systems inc SR SYSTEMS ADMINISTRATOR Position Description: Certified Microsoft systems administrator with strong experience managing distributed infrastructures and data center operations composed of Windows platforms. Ability to plan, configure, install, and optimize information technology (IT) infrastructures to optimize performance and maintain high service availability. The successful candidate will be responsible for … Clearance based upon a SSBI • IAT Level II certification in accordance with DoDD 8140.01 "Cyberspace Workforce Management" (or achieve within six months of TOA) prefer CompTIA Security+ • Microsoft Certified Systems Engineer (MCSE), or Azure, or Office 365 Administration related certification Minimum Education Required: Bachelor's degree in computer science, computer programing, computer engineering, or a related discipline is required … Position Requirements: • Ten (10) years cross-platform experience in systems administration including analyzing, installing and maintaining hardware, software, peripherals and networks • Seven (7) years of hands-on end point (i.e., client and mobile) troubleshooting and problem solving • Five (5) years of Microsoft Server (i.e., Active Directory, DNS, Exchange, SharePoint, Teams) troubleshooting and problem solving experience • Three (3) years of More ❯

by-side with our clients on some of the most complex technical challenges facing our nation. Security Clearance: • TS/SCI We are seeking a Senior Systems Administrator in Norfolk, VA. The selected candidate will administrator Windows Domains and will optimize the customer's existing architecture by establishing standardized configurations for hosting … configure, test, maintain, monitor, and VMware • Assist with network security through the implementation of STIGs and actively maintain IAVA compliance • Provide support services such as data protection (backup and systems security), Microsoft Windows 2016 Active Directory (to include Group Policy management), WSUS, DHCP, DNS, Microsoft Exchange services, client imaging using WDS, and other server/network application services Requirements More ❯

Exchange (EXPN), we employ 22,500 people across 32 countries, with our headquarters in Dublin, Ireland. Learn more at Job Description We are seeking a Senior Systems Administrator to support and diagnose incidents within the Colleague Technology Support group, adhering to established service levels. The role covers server, desktop, laptop, mobile device support, domain 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 ❯

ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many … software-secure technology to enable strategic planning. We're looking for innovators, who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours of expanding your personal network and developing skills, whether you are new to … or an industry thought-leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career. Northrop Grumman Mission Systems is seeking an extremely well-qualified Senior Lead VMWare Systems Administrator and subject matter expert to join its dynamic team of technical professionals More ❯

RELOCATION ASSISTANCE: No relocation assistance available CLEARANCE TYPE: Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many technological … work - and we have an insatiable drive to do what others think is impossible. Our employees are not only part of history, they're making history. Northrop Grumman Space Systems-Launch and Missile Defense Systems offers an exciting career opportunity for a Sr Principal System Administrator - COS IT System Administrator (25-262) to join … combatant commanders at strategic, regional, and operational levels to systematically plan ballistic missile defense operations, collectively observe the battle's development, and dynamically manage designated networked sensors and weapon systems to achieve global and regional mission objectives. C2BMC supports a layered missile defense capability that facilitates an optimized response to threats of all ranges at all phases of flight. More ❯

System Administrator We have an immediate need for a System Administrator to maintain critical IT systems and orchestrating novel and efficient baseline configuration management. Typical duties will include health and status monitoring of hardware and software components, automated deployments of baselines, patches, services, and configuration. Defect and problem resolution, communication with stakeholders, and scheduling system … events for inventory of client/server/storage/network/mobile/support devices. What you will be doing: The Senior System Administrator is responsible for all operational aspects of the development & test environment(s) associated with an exciting and important capability contributing to our national defense. He/she will manage all More ❯

ASSISTANCE: Relocation assistance may be available CLEARANCE TYPE: Top Secret TRAVEL: Yes, 10% of the Time Description At Northrop Grumman, our employees have incredible opportunities to work on revolutionary systems that impact people's lives around the world today, and for generations to come. Our pioneering and inventive spirit has enabled us to be at the forefront of many … software-secure technology to enable strategic planning. We're looking for innovators, who can help us keep building on our wide portfolio of secure, affordable, integrated, and multi-domain systems and technologies that fuel those missions. By joining in our shared mission, we will support yours of expanding your personal network and developing skills, whether you are new to … or an industry thought-leader. At Northrop Grumman, you will have the resources, support, and team to do some of the best work of your career. Northrop Grumman Mission Systems is seeking an expert VMWare systems administrator to join its dynamic team of technical professionals in Linthicum, MD and Annapolis Junction, MD. Please note that the More ❯

Alabama, US office. Your Mission: This Enterprise Operations (EO) position supports the Lockheed Martin Space division located at the Huntsville, AL facility. The primary responsibility of the Engineering Tools Systems Administrator is to deploy and maintain Model Based Enterprise Applications in a classified environment. This includes working closely with larger enterprise team to ensure applications stay current … with deployments on unclassified environment. This IT professional will ensure that the Lockheed Martin IT systems/applications are managed, controlled, and compliant with the Security Technical Implementation Guide (STIG) and Risk Management Framework (RMF). This role will be responsible for Engineering Tools implementations, upgrades, operation, and maintenance, troubleshooting hardware and software problems, creation of domain accounts, password … state-of-the-art technologies related to application design, development, operations & Maintenance. • Demonstrated experience with business process improvement in area of engineering. • Knowledge of Windows Server and Desktop Operating Systems administration (Windows, 7, 10, 2008, 2012 and 2016) • Knowledge of Virtualization (VMware, Horizon, vSphere, vCenter, vCloud, vRealize, NSX, vSAN or VXRail) • Knowledge of implementing vulnerability compliance solutions (WSUS, SCCM More ❯

flexibility, and ingenuity to strengthen and protect our nation's vital interests. Requisition #: 763 Job Title: Senior Network Analyst/Senior System Administrator Location: Fort Belvoir, Virginia Clearance Level: Active DoD - Top Secret SCI Required Certification(s): • Microsoft Certified Solutions Expert(MCSE) and VMware certification/experience. Security+ Certification. SUMMARY This … is a non-personal services contract to operate and maintain the Ground Intelligence Support Activity (GISA) and HQ INSCOM G6 Operations Division information technology networks and systems for the U.S. Army Intelligence and Security Command (INSCOM), a Direct Reporting Unit to Headquarters, Department of the … Army, G-2, conducting intelligence, security and information operations for military commanders and national decision makers. The Senior Network Analyst/Senior System Administrator is the senior technical expert for MS applications design, development and management. JOB DUTIES AND RESPONSIBILITIES • Accountable for all aspects of MS Windows requirements and More ❯

Job Title: Senior System Administrator II Generalist - TOP SECRET WITH SCI CLEARANCE REQUIRED Location: Springfield, VA - On-site Requirement Pay: $125,000 - 150,000 W2 negotiable based on experience - NO C2C/Visa Clearance: Active TS/SCI We are hiring a Senior Systems Administrator II Generalist - active TS … to be onsite. The position requires an active Top Secret/SCI clearance and the ability to obtain and maintain a Counterintelligence (CI) Polygraph. The Senior Systems Administrator II supports the information technology (IT) Operations and Maintenance (O&M) server team by managing enterprise-level, high performance, highly available server technology solutions (systems … -level executives. The position shall meet the minimum credential requirements for a Cyber IT/Cybersecurity Workforce (CSWF) position as defined in Section 6, Table 3. System Administrator (451); Intermediate Level for SECNAV M-5239.2 compliance. (See Navy Cool WebSite). Education: Bachelor's degree from an accredited University; or one of the following Certifications: CompTIA More ❯

Our aerospace client is looking for a Senior Systems Administrator with Active Secret Clearance who will primarily focus on Red Hat Enterprise Linux (RHEL) Systems Administration and secondarily perform as a Windows Systems Administrator. Location: Colorado Springs, CO 80916 (On-site) Position: Senior Systems Administrator with … Shift: 1st shift Responsibilities: -The role will include Sustainment duties associated with the current system and Development projects planned for future capabilities. -Perform as a Windows and Linux System Administrator for a classified government contract. -Maintain smooth operation of multi-user computer systems, including coordination with network, software, system engineers, project managers, and IT management. -Support multiple … software packages for RHEL platforms. -Ansible, RHEL 6/7/8/9, Satellite configuration and usage experience. -Solid understanding of remediating security vulnerabilities and experience hardening Linux systems in accordance with RMF and STIGs. -Experience with security compliance and related security scanning products. -Experience with host-based firewall implementations and configuration. -Strong Microsoft Active Directory and Group More ❯

Riptide Technology has a great opportunity for a Senior Systems Administrator II - Generalist to support our government customer based in Springfield, VA. This position is required to be onsite. This position will require U.S. citizenship and an active DoD TS/SCI clearance, with a CI Poly preferred. The ability to obtain a CI … poly is required. This position is required to be onsite. The Senior Systems Administrator II supports the information technology (IT) Operations and Maintenance (O&M) server team by managing enterprise-level, high performance, highly available server technology solutions (systems, applications, and services). Responsibilities: The Senior Systems Administrator … -level executives. The position shall meet the minimum credential requirements for a Cyber IT/Cybersecurity Workforce (CSWF) position as defined in Section 6, Table 3. System Administrator (451); Intermediate Level for SECNAV M-5239.2 compliance. (See Navy Cool WebSite). Required Education OR Certifications: Education: Bachelor's degree from an accredited University; or Certifications: CompTIA More ❯

10K Sign-on bonus A Senior Linux System Administrator Maintains an organization's computer systems' workflows and is responsible for the upkeep, configuration, and reliable operation of computer systems, including fixing network issues along with updating equipment and software Classified work and must be on-site Environment is 80% or more Linux/… UNIX and 20% or less Windows with 600+ Physical and virtual servers covering various levels of very complex classified systems and networks. Responsible for performing in-depth analysis and technical support of systems, including complex problem resolution, design, development, testing, operational integration, and user support. Provide operating systems planning and evaluation for performance analysis, capacity planning and … hardware upgrades. Provide specialized expertise within multiple IT systems such as: Windows 2016/2019 server, Red Hat Enterprise Linux, VMWare hypervisor, VMWare Horizon, as well as general knowledge of related disciplines. This would include performing installation, administration, troubleshooting and support of server operating systems/services, storage, and Data Center solutions. Oversee the implementation of system specifications More ❯