SimVentions, Inc. seeks a System Administrator to support Defense & Aerospace IT and cybersecurity operations. You’ll manage Windows/Linux servers, networks, and virtualized environments; harden and patch systems; implement STIGs; and monitor performance, availability, and security. Partner with cybersecurity teams on RMF/DoD compliance and incident response. You’ll script automation, manage backups, and support end users. Join a collaborative, mission-focused culture where your work directly s…

SimVentions, Inc. (Glassdoor 4.6) seeks a System Administrator to support Defense & Aerospace IT and cybersecurity operations. You will deploy, configure, and maintain secure Windows/Linux servers, networks, and virtualization platforms; manage user accounts, patching, and backups; and monitor system performance and security. Partner with cybersecurity and engineering teams to harden systems, meet DoD security/compliance requirements, and rapidly resolve incidents. SimVentions offers a collabor…

SimVentions, Inc. (4.6 on Glassdoor), a mission-focused Defense & Aerospace technology solutions company, seeks a System Administrator for our IT & Cybersecurity team. In this role, you will install, configure, and maintain secure Windows/Linux servers, virtual environments, and networks that support DoD and federal programs. You will harden systems to meet cybersecurity and STIG requirements, manage user accounts, monitoring, and backups, and rapidly troubleshoot issues to keep mission systems…

Description Summary: The Imaging Administrator will work to ensure efficient and effective operations for a variety of departments that produce medical images. The responsibilities include but are not limited to, maintaining various imaging applications as applicable to multiple service lines (radiology, cardiology, etc.). This includes the design, development, coordination, and delivery of value-added services that support and enhance solutions that retrieve, analyze, enhance, and exchange dig…

Job Description Your Mission \n \n \nThe Systems Administrator is responsible for the implementation, administration, and ongoing support of the organization's IT infrastructure. This role ensures reliable operation, performance, and availability of IT systems that support daily business operations. The position works closely with IT teams and vendors to maintain and improve infrastructure services.\n \n How you will make a difference \n \n Network & Systems Management \n \n \n Install, configu…

Job Description Job Description Join Gryphon Place and become part of a collaborative, compassionate team where your work makes a meaningful difference in the community every day. We’re committed to supporting the people who support others, with flexible scheduling, a strong focus on work-life balance, free medical benefits for you, additional healthcare options, employer contributions to your retirement plan, paid holidays, and generous paid time off. If you’re looking for a mission-driven car…

ManTech International, a leader in mission-critical national security solutions, is seeking a Linux System Administrator to join our Information Technology & Technical Support team. In this role, you will install, configure, secure, and maintain Linux-based servers and services supporting federal customers. Responsibilities include user and permissions management, system monitoring, patching, troubleshooting, and backup/recovery. You will collaborate with cyber and infrastructure teams to harde…

Job Description Description \n\t\t\t\t\t Job Description\nThis position is a new role that is needed because the company is growing. They need a minimum of 5 years hands-on experience as a systems administrator/engineer. The client needs a plug in option, someone well rounded("Master of some"). The client needs someone who is technically deep, comfortable calling vendors, a problem solver and service oriented and collaborative. They will work 5 days on site and be on-call for any network issues…

Job Description TEKsystems is seeking a System Administrator to support one of our partner companies in the finance industry. This position is located in Honolulu, Hawaii and 100% onsite. Description This position will be responsible for managing and maintaining computer systems, servers, and networks. You will play a crucial role in ensuring the smooth operation of the IT infrastructure. The ideal candidate would be someone who has experience in systems and servers with at least a basic unders…

Job Description Description This is not a traditional, siloed service desk role. We are actively seeking a candidate who is well-versed in troubleshooting and resolving issues within Microsoft Intune-managed environments, while also operating effectively across desktop support, endpoint management, security compliance, and network-related challenges. You will be expected to move fluidly across technical domains. This means owning problems end-to-end rather than handing them off—while balancing …

Job Description Job Description Why DaBella? DaBella is the fastest-growing home improvement company in the United States. We have a total of 67 branches across the nation and are continuing to open new locations every year! Our vision is to care for families and care for homes, while striving to transform home improvement services across the county! When you join the DaBella Team, you'll experience a shared dedication to a greater goal, and an opportunity to be part of a future-focused team of…

Job Description Job Description Location: Dallas, TX - We are looking for Local Applicants Only Schedule: Monday–Friday (Occasional on-call and after-hours support may be required based on business needs) Work Arrangement: Fully On-Site (Up to 10% travel may be required) Compensation: $70,000–$80,000 annually Overview: The Junior Call Center Systems Administrator supports the administration, configuration, and optimization of Five9 and other CCaaS platforms, including integrations with Salesfor…

hackajob is collaborating with MANTECH to connect them with exceptional professionals for this role. MANTECH seeks an experienced and passionate, career and customer-oriented Systems Administrator to join our team located in the Fort Meade, MD area. Responsibilities include, but are not limited to: Provide comprehensive administration and support for multi-platform operating system environments. Manage and maintain virtualized environments and enterprise-level virtualization management tools. C…

hackajob is collaborating with MANTECH to connect them with exceptional professionals for this role. MANTECH seeks a motivated, career and customer-oriented Systems Administrator to join our team in Doral, FL . This position is fully on-site and utilizes a Panama Schedule which includes three, 12 hour shifts, followed by three days off, repeating. This team also utilizes a rotating day/night schedule, so selected candidate will rotate between nights and days every 3 months. Responsibilities inc…

Join ManTech and become a part of a team that collaborates to deliver innovative technologies and solutions essential for the U.S. intelligence community, the Department of Defense, and other federal agencies. As a Senior Systems Administrator, you will play a vital role in safeguarding our nation's security by maintaining and optimizing IT frameworks and infrastructures. Maintain, troubleshoot, and administer computer networks and related computing environments, including computer hardware, sy…

ManTech International seeks an Intermediate Systems Administrator to support mission-critical federal and national security programs. In this role, you will deploy, configure, and maintain secure Windows and Linux servers, ensuring high availability, performance, and compliance with DoD and federal standards. Responsibilities include system hardening, patching, user and access management, backup and recovery, and incident resolution. You will automate routine tasks, document configurations, and…

Job Description Job Description We are seeking a hands-on Systems Administrator to support and maintain our IT infrastructure while ensuring the security, reliability, and performance of our systems and networks. This role requires a strong technical foundation in server administration, network management, and cybersecurity, along with the ability to provide end-user support and mentor a junior IT team member. The ideal candidate will have 5-7 years of relevant experience, enjoy working in a co…

Job Description Description The System Administrator II is a jack of all trades. This person will provide technical support, systems administration, infrastructure support, and project execution for their enterprise technology environment. This individual will partner with internal customers, IT teams, vendors, and business stakeholders to maintain secure, reliable, and scalable technology solutions. Key Responsibilities •\tSupport daily systems administration operations. •\tAssist with CMMC-re…

Kaiser Permanente seeks a Director of Systems Administration to lead the strategy, design, and operation of our mission-critical infrastructure. You will manage a team responsible for secure, highly available server and cloud environments that power healthcare systems at scale. Partnering with security, development, and operations, you’ll drive standards, automation, and best practices, oversee incident response and capacity planning, and guide technology roadmaps. This leadership role requires…

Kaiser Permanente seeks a Systems Administrator IV to lead the design, implementation, and support of complex health systems infrastructure. You will manage Linux/Windows servers, virtualization, storage, and cloud-integrated environments supporting mission-critical clinical applications. Responsibilities include performance tuning, automation, backup and recovery, security hardening, and incident response. You will collaborate with cross-functional teams to ensure high availability, document s…