- RTX Corporation (Tucson, AZ)
- …the integrity of our systems and support IT infrastructures around the world. ** Senior System Administrator ** , internally known as Senior Analyst, ... (CompTIA Security + CE or equivalent certification and an Operating System Certification) + Experience with NISPOM, JAFAN, JSIG, DFARS and/or DoD/RMF +… more
- Nightwing (Sterling, VA)
- …technical support and guidance for system -related issues, ensuring high performance, security , and availability of IT systems + Coordinate and manage IT ... and commercial markets. Nightwing is seeking a highly motivated Systems Administrator to join a mature program...requirements + Experience with administering and managing user and system accounts on Linux distributions + Ability to manage… more
- ManTech (Laurel, MD)
- MANTECH seeks a motivated, career and customer-oriented **Linux** ** System Administrator ** to join our team in **Laurel, MD.** You will be part of a dedicated ... be substituted for a Bachelor's degree. + 15+ years of experience as a System Administrator or related experience in programs and contracts of similar scope,… more
- Intercontinental Exchange (ICE) (Atlanta, GA)
- Overview **Job Purpose** The Senior Systems Administrator is responsible for maintaining the availability, security , and performance of Windows and Linux ... resolving system performance and availability issues. The Senior Systems Administrator also assists...systems comply with IT policies and adhere to security standards. **Knowledge and Experience** + Proficiency in managing… more
- TekSynap (Dahlgren, VA)
- …is seeking a **S** **enior S** **ystem** ** Administrator (Unix/Linux).** The Senior Systems Administrator (Unix/Linux) serves as Key Personnel under ... in Unix and/or Linux system administration of networks and software systems , including system backup and recovery; security management and library… more
- Amentum (Springfield, VA)
- … Security , & Intel space? If so, look no further. Amentum is seeking a ** Senior System Administrator ** to join our team of passionate individuals in ... new and existing systems including the transition and migration of corporate systems * Monitor and report on system health using various dashboarding tools… more
- ManTech (Fairmont, WV)
- **MANTECH** seeks a motivated and customer-oriented ** Senior Systems Administrator - Windows/Linux Dual-Stack Specialist** to join our team in **Boulder, ... Active Directory environments. + Senior -level experience with Linux system administration, networking, security hardening, and scripting/automation tools. +… more
- Parsons Corporation (Aberdeen, MD)
- …**Job Description:** _Parsons is looking for an amazingly talented_ **_Senior Linux Systems Administrator_** _to join our team!_ **_What You'll Be Doing:_** + ... _Support the system administration for ARL high performance computers_ + _Support..._Support design of Army Research Laboratory A2I2 building for systems being delivered in 2024 and future platforms_ +… more
- Concurrent Technologies Corporation (Huntsville, AL)
- Senior Information Systems Administrator Concurrent Technologies Corporation Huntsville, AL Minimum Clearance Required: Top Secret Clearance Clearance Level ... with up-to-the-minute, customized, and powerful solutions. CTC is looking for talented Senior Information System Administrator with experience accrediting,… more
- Amentum (Waimea, HI)
- Amentum is seeking a highly experienced Senior Linux System Administrator to oversee and manage enterprise-level Linux infrastructure in support of US Navy ... environment. This role requires deep technical expertise in Linux systems , leadership in secure system administration, and...Certifications required + Linux + Linux+ Red Hat Certified System Administrator (RHCSA) ** Security Clearance**… more