Senior IT Systems Administrator

23 hours ago


Annapolis Junction, Maryland, United States Fidelis Technologies Full time

At Fidelis Technologies, we're seeking a highly skilled Senior IT Systems Administrator to join our team. As a key member of our IT department, you will be responsible for the implementation, troubleshooting, and maintenance of our IT systems.

Key responsibilities include:

  • Providing support for the escalation and communication of status to agency management and internal customers
  • Optimizing system operations and resource utilization, and performing system capacity analysis and planning
  • Providing in-depth experience in trouble-shooting IT systems
  • Configuring and managing 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

Requirements include:

  • Bachelor's degree in a technical discipline from an accredited college or university
  • Ten (10) years as a SA in programs and contracts of similar scope, type, and complexity
  • Cyberspace Workforce Improvement Program (CWIP) compliant security personnel/CWIP certification
  • TS/SCI with Poly

Fidelis Technologies is an Equal Opportunity Employer. We are committed to diversity and inclusion in the workplace.



  • Annapolis Junction, Maryland, United States BAE Systems USA Full time

    Job DescriptionBAE Systems USA is seeking a Senior Linux Systems Administrator to support our Government Customer's High Performance Computing (HPC) initiatives.Key ResponsibilitiesProvide support for implementation, troubleshooting, and maintenance of IT systems, including HPC infrastructure.Manage the daily activities of configuration and operation of IT...


  • Annapolis Junction, Maryland, United States BAE Systems USA Full time

    Job DescriptionBAE Systems USA is seeking a Senior Linux Systems Administrator to support a Government Customer who specializes in High Performance Computing. The Senior System Administrator will provide support for implementation, troubleshooting and maintenance of Information Technology (IT) systems. Manages IT system infrastructure and any processes...


  • Annapolis Junction, Maryland, United States BAE Systems Full time

    Job SummaryWe are seeking a highly skilled Systems Administrator to join our team at BAE Systems. As a key member of our IT department, you will be responsible for maintaining and supporting our complex network environment, ensuring the smooth operation of our systems and applications.Key ResponsibilitiesInstall, configure, and maintain systems,...


  • Annapolis Junction, Maryland, United States SSATI Full time

    Senior Systems Administrator Job DescriptionWe are seeking a highly skilled Senior Systems Administrator to join our team at SSATI. As a Senior Systems Administrator, you will be responsible for the implementation, troubleshooting, and maintenance of IT systems, as well as providing support to users in accessing and using IT systems.Key...


  • Annapolis Junction, Maryland, United States SSATI Full time

    Job Title: Senior Systems AdministratorWe are seeking a highly skilled Senior Systems Administrator to join our team at SSATI. As a Senior Systems Administrator, you will be responsible for the implementation, troubleshooting, and maintenance of IT systems, as well as providing support to users in accessing and using IT systems.Key Responsibilities:Provide...


  • Annapolis Junction, Maryland, United States ESC, Inc. Full time

    Job Title: Senior Systems AdministratorWe are seeking a highly skilled Senior Systems Administrator to join our team at ESC, Inc. The ideal candidate will have a strong background in systems administration, network security, and virtualization technologies.Key Responsibilities:Engineer, install, maintain, configure, and optimize Microsoft server operating...


  • Annapolis Junction, Maryland, United States Booz Allen Hamilton Full time

    Job SummaryWe are seeking a highly skilled Senior Systems Administrator to join our team at Booz Allen Hamilton. As a key member of our cybersecurity team, you will be responsible for designing, implementing, and maintaining Linux environments to support our clients' cyber operations.Your expertise in network administration, system engineering, and...


  • Annapolis Junction, Maryland, United States Belay Technologies Full time

    Job Title: Senior Systems AdministratorBelay Technologies is seeking a highly skilled Senior Systems Administrator to join our team. As a key member of our IT department, you will be responsible for the implementation, troubleshooting, and maintenance of our IT systems.Key Responsibilities:Manage IT system infrastructure and related processesProvide support...


  • Annapolis Junction, Maryland, United States Peterson Technologies Full time

    Peterson TechnologiesWe are seeking a highly skilled Senior Systems Administrator to join our team. As a key member of our IT department, you will be responsible for the day-to-day systems administration and support of our production and non-production environments.Key Responsibilities:Manage the support and maintenance of CentOS and RedHat Enterprise Linux...


  • Annapolis Junction, Maryland, United States Mount Indie Full time

    Senior AIX System AdministratorWe are seeking an experienced Senior AIX System Administrator to manage and maintain our AIX-based infrastructure. In this role, you will be responsible for ensuring the stability and performance of our critical systems.Key Responsibilities:Administer and maintain AIX-based server infrastructure, handling installation,...


  • Annapolis Junction, Maryland, United States ManTech Full time

    Job Title: Senior Windows Systems AdministratorManTech International Corporation is seeking a highly skilled Senior Windows Systems Administrator to join our team in Annapolis Junction, MD.Job Summary:We are looking for a motivated and experienced Senior Windows Systems Administrator to provide support for implementation, troubleshooting, and maintenance of...


  • Annapolis Junction, Maryland, United States NiSUS Technologies Corporation Full time

    Job SummaryNiSUS Technologies Corporation is seeking a highly skilled Senior System Administrator to join our team. As a Senior System Administrator, you will be responsible for providing support for the implementation, troubleshooting, and maintenance of our information technology (IT) systems.Key ResponsibilitiesIT System Infrastructure ManagementManage...


  • Annapolis Junction, Maryland, United States Mount Indie Full time

    Senior AIX System AdministratorWe are seeking a highly skilled and experienced Senior AIX System Administrator to join our team at Mount Indie. In this role, you will be responsible for managing and maintaining our AIX-based infrastructure, ensuring the stability and performance of our mission-critical operations.Key Responsibilities:Administer and maintain...


  • Annapolis Junction, Maryland, United States ManTech Full time

    Secure Our Nation, Ignite Your FutureAt ManTech International Corporation, we're seeking a highly motivated and customer-oriented Senior Systems Administrator to join our team in Fort Meade, MD. As a key member of our engineering and IT services team, you'll play a critical role in providing support for implementation, troubleshooting, and maintenance of IT...


  • Annapolis Junction, Maryland, United States ManTech Full time

    Secure Our Nation, Ignite Your FutureManTech International Corporation is seeking a highly motivated and career-oriented Senior Systems Administrator to join our team in Fort Meade, MD. As a key member of our engineering and Information Technology services team, you will play a critical role in providing support for the implementation, troubleshooting, and...


  • Annapolis Junction, Maryland, United States IQ-IA, Inc Full time

    Job Title: Senior Systems AdministratorWe are seeking a highly skilled and experienced Senior Systems Administrator to join our team and play a pivotal role in ensuring the security and integrity of our IT infrastructure.Key Responsibilities:Act as CITE Facility Administrator to execute spanning five key disciplines including: Network ManagementNetwork...


  • Annapolis Junction, Maryland, United States ManTech Full time

    Job Title: Senior Systems AdministratorManTech International Corporation is seeking a highly skilled Senior Systems Administrator to join our team in Fort Meade, MD.Job Summary:We are looking for a motivated and experienced professional to provide engineering and Information Technology services to provision, manage, sustain, innovate, modernize, refresh,...


  • Annapolis Junction, Maryland, United States Boeing Intelligence & Analytics Full time

    Job Title: Senior System AdministratorJob Summary:Boeing Intelligence & Analytics is seeking a highly skilled Senior System Administrator to join our team. As a key member of our IT infrastructure team, you will be responsible for designing, implementing, and maintaining our complex IT systems.Key Responsibilities:Design and implement secure IT...


  • Annapolis Junction, Maryland, United States ManTech Full time

    Secure Our Nation, Ignite Your FutureAt ManTech International Corporation, we're seeking a highly skilled Senior Systems Administrator to join our team in Fort Meade, MD. As a key member of our engineering and IT services team, you'll play a critical role in provisioning, managing, sustaining, innovating, modernizing, refreshing, reengineering, and securing...


  • Annapolis Junction, Maryland, United States Peraton Full time

    Job SummaryWe are seeking a highly skilled Senior Systems Administrator to support our Intel Community mission in the Annapolis Junction area. The successful candidate will provide support for implementation, troubleshooting, and maintenance of Information Technology systems.Key Responsibilities• Manage IT system infrastructure and related processes•...