Senior Systems Administrator

2 months ago


Arlington, United States Cordia Resources by Cherry Bekaert Full time

We seek a highly skilled and experienced Senior Systems Administrator to join our IT team. The ideal candidate will have at least seven years of experience in managing and supporting IT infrastructure, ensuring systems' reliability, security, and scalability across the organization. The Senior Systems Administrator will play a key role in maintaining the organization’s critical systems, leading infrastructure projects, and guiding other staff members.

Responsibilities

  • System Maintenance & Monitoring:
    • Manage and maintain the organization’s server infrastructure (Windows).
    • Monitor system performance and ensure high availability, scalability, and reliability.
    • Perform regular system health checks, updates, and patch management.
 
  • Cloud Infrastructure Management:
    • Manage cloud infrastructure (e.g., AWS, Azure) and ensure optimal performance.
    • Plan and implement cloud migration strategies as needed.
    • Optimize cloud resource usage and cost through effective monitoring and automation.
 
  • Virtualization & Storage Management:
    • Administer virtualization platforms (e.g., VMware, Hyper-V) and storage solutions (e.g., SAN, NAS).
    • Monitor and optimize resource utilization in virtualized environments.
    • Cloud Storage setup and management.
 
  • Backup & Disaster Recovery:
    • Develop, implement, and maintain backup and disaster recovery plans.
    • Ensure data integrity and business continuity by regularly testing recovery solutions.
 
  • Network Administration:
    • Manage and maintain network infrastructure (routers, switches, firewalls, VPNs).
    • Troubleshoot and resolve network-related issues.
    • Ensure network security and perform regular network monitoring.
 
  • Automation & Scripting:
    • Automate routine tasks using scripting languages (e.g., PowerShell, Bash, Python).
    • Develop and maintain infrastructure as code (IaC).
 
  • User & Helpdesk Support:
    • Provide Tier 1-3 support for escalated technical issues.
    • Mentor and guide other staff members with improving their computer skill and knowledge.
 
  • Project Management:
    • Lead IT infrastructure projects, including system upgrades, migrations, and deployments.
    • Work with cross-functional teams to identify and implement technology solutions that align with business needs.
 
  • Vendor Management:
    • Manage relationships with third-party vendors, ensuring service level agreements (SLAs) are met.
    • Evaluate and recommend hardware, software, and services for IT infrastructure needs.

Skills and Qualifications
  • Bachelor’s degree in computer science, Information Technology, or related field, or equivalent work experience.
  • Minimum 7 years of experience in systems administration and infrastructure management.
  • Certifications:
    • Relevant base certifications such as CompTIA Network+, Security+, Linux+
    • Microsoft Certified: Azure Administrator, AWS Certified SysOps Administrator
    • Networking: CCNP (Preferred), CCNA
    • Project management Professional: PMP
  • Technical Skills:
    • Operating Systems: Advanced proficiency in Windows Server and Linux. Cloud Services: Expertise in managing cloud platforms such as AWS and Azure. Azure, Azure AD, and Azure Apps.
    • Virtualization: Hands-on experience with VMware, Hyper-V, or other virtualization technologies.
    • Networking: Strong knowledge of TCP/IP, DNS, DHCP, VPNs, VLANs, and firewall management.
    • Security: Experience with firewalls, IDS/IPS, endpoint protection, and SIEM solutions.
    • Backup & Recovery: Proficiency in backup solutions (e.g., Veeam, Acronis) and disaster recovery planning.
    • Scripting: Proficiency in automation and scripting (e.g., PowerShell, Bash, Python).

 



  • Arlington, Virginia, United States American Systems Full time

    Job Title / LevelSenior IT Systems Administrator - TS clearance with SCI eligibilityClearance Required?Top Secret/SCILocation:Arlington, VA 22202 US (Primary)% Travel0 - 10%Job DescriptionAre you an experienced IT professional with a strong background in systems administration? We are seeking a Senior IT Systems Administrator to join our Joint Staff J-8 team...


  • Arlington, Virginia, United States American Systems Full time

    Job Title: Senior IT Systems AdministratorJob Summary:AMERICAN SYSTEMS is seeking an experienced Senior IT Systems Administrator to lead the operation and maintenance of our client's enterprise information technology (IT) systems and supporting subsystems.Key Responsibilities:Provide accurate and timely Tier II / III level support on an IT Service Desk for...


  • Arlington, Virginia, United States American Systems Full time

    Job Title:Senior Linux Systems AdministratorJob Summary:AMERICAN SYSTEMS is seeking a highly experienced Senior Linux Systems Administrator to provide expert technical support for the software, hardware, wired network infrastructure, and system security of Linux systems in a High-Performance Computing (HPC) Environment.Key Responsibilities: Provide technical...


  • Arlington, Virginia, United States American Systems Full time

    Job Title: Senior Enterprise Systems AdministratorJob Summary:We are seeking a highly skilled Senior Enterprise Systems Administrator to join our team at American Systems. As a Senior Enterprise Systems Administrator, you will be responsible for administering and maintaining enterprise platforms, providing Tier 3 IT systems support, and resolving...


  • Arlington, Virginia, United States American Systems Full time

    Job Title / LevelSenior Linux Systems Administrator (HPC) - Top Secret Clearance w/SCI eligibilityClearance Required?Top Secret/SCILocation:Arlington, VA 22204 US (Primary)% Travel0 - 10%Job DescriptionThis position has a$10,000 Sign-on BonusincludedAMERICAN SYSTEMS is seeking a highly experiencedSenior Linux Systems Administratorto provide expert technical...


  • Arlington, Virginia, United States Conceras Full time

    Job Title: Senior Systems AdministratorJob Summary:We are seeking a highly skilled Senior Systems Administrator to join our team at Conceras. As a key member of our IT department, you will be responsible for providing advanced systems administration and support services for our organization.Key Responsibilities:* Perform all duties of the Systems...


  • Arlington, Virginia, United States ManTech Full time

    Job Title: Senior System AdministratorManTech International Corporation is seeking a highly skilled Senior System Administrator to join our team at The Pentagon. As a key member of our team, you will be responsible for providing technical support and maintenance for our database systems.Key Responsibilities:Perform technical assessments and acceptability of...


  • Arlington, Virginia, United States Cordia Resources by Cherry Bekaert Full time

    Senior System AdministratorCordia Resources by Cherry Bekaert is seeking a highly skilled and experienced Senior System Administrator to join their IT team. The ideal candidate will have at least seven years of experience in managing and supporting IT infrastructure, ensuring systems' reliability, security, and scalability across the organization.Key...


  • Arlington, Virginia, United States Conceras Full time

    Job OverviewThe Conceras company is seeking a highly skilled Senior Systems Administrator to join our team in Rosslyn, VA. As a key personnel position, this role requires expert-level knowledge of systems administration, desktop support, and leadership capabilities.Key ResponsibilitiesManage and maintain Windows-based LANs, Active Directory, server...


  • Arlington, Virginia, United States 10novate, Inc. Full time

    Job TitleSenior Linux Systems AdministratorJob Summary10novate is seeking a Senior Linux Systems Administrator to support the provision of virtual servers and other systems to developers and software testers as part of a meaningful government program that contributes to the greater human good.ResponsibilitiesMonitor, review, and report on the maintenance and...


  • Arlington, Virginia, United States Cordia Resources by Cherry Bekaert Full time

    Senior Systems AdministratorCordia Resources by Cherry Bekaert is seeking a highly skilled and experienced Senior Systems Administrator to join our IT team. The ideal candidate will have at least seven years of experience in managing and supporting IT infrastructure, ensuring systems' reliability, security, and scalability across the organization.Key...


  • Arlington, United States Cordia Resources by Cherry Bekaert Full time

    Our Association client seeks a highly skilled and experienced senior systems administrator to join their IT team. The ideal candidate will have at least seven years of experience in managing and supporting IT infrastructure, ensuring systems' reliability, security, and scalability across the organization. The Senior Systems Administrator will be key in...


  • Arlington, Virginia, United States Conceras Full time

    Job Summary We are seeking a highly skilled Senior Systems Administrator to join our team at Conceras. As a key member of our IT department, you will be responsible for providing advanced systems administration and support services for our organization. Key Responsibilities Perform all duties of the Systems Administrator position, including LAN system...


  • Arlington, Virginia, United States Command Services & Support, Inc. Full time

    Job Title: Senior Linux System AdministratorCommand Services & Support, Inc. is seeking a highly skilled Senior Linux System Administrator to join our team. As a key member of our infrastructure team, you will be responsible for the installation, configuration, and maintenance of Linux systems and applications.Install and configure Linux operating systems...


  • Arlington, Virginia, United States ManTech Full time

    Secure Our Nation, Ignite Your FutureAt ManTech International Corporation, we're seeking a highly motivated and career-oriented Senior System Administrator to join our team at The Pentagon. As a key member of our diverse team, you'll have the opportunity to work on innovative projects that offer opportunities for advancement and contribute to our mission of...


  • Arlington, Virginia, United States ManTech Full time

    Job SummaryManTech International Corporation is seeking a highly skilled Senior System Administrator to join our team at The Pentagon. As a key member of our technical operations team, you will be responsible for performing technical assessments and acceptability of software and hardware, as well as applying system enhancements to production after proper...


  • Arlington, Virginia, United States ManTech Full time

    Secure Our Nation, Ignite Your FutureAt ManTech International Corporation, we're committed to delivering innovative solutions that protect our nation's security. As a Senior System Administrator, you'll play a critical role in helping us achieve this mission.Key Responsibilities:Perform technical assessments and acceptability of software and hardware.Apply...


  • Arlington, Virginia, United States Koniag Data Solutions, LLC Full time

    Job SummaryKoniag Data Solutions, LLC, a Koniag Government Services company, is seeking a Senior Systems Administrator with an active Top-Secret clearance and the ability to obtain a SCI to support KDS and our government customer in Arlington, VA.Key ResponsibilitiesManage and maintain the organization's server infrastructure, including physical and virtual...


  • Arlington, Virginia, United States ValidaTek Full time

    Job Title: Senior Windows AdministratorValidaTek is seeking a highly skilled Senior Windows Administrator to support our DISA customer. The ideal candidate will have experience managing administration of Windows based systems deployed within an Enterprise Certificate Authority (ECA) based security deployment.Key Responsibilities:Support and maintain Windows...


  • Arlington, Virginia, United States The Hanover Research Council Full time

    Job SummaryWe are seeking a highly skilled Senior Systems Administrator to join our team at Hanover Research. The ideal candidate will have extensive experience managing virtualization platforms, servers, databases, and applications, including Microsoft Azure, Linux, Windows Server, MySQL, and PostgreSQL.Key Responsibilities Setup, configuration, and...