Demo

Senior Systems Administrator

Cyber Technology Innovations
Falls, VA Full Time
POSTED ON 5/11/2026
AVAILABLE BEFORE 7/11/2026

Job Summary
CTI has an immediate need for a Systems Engineer to provide onsite support at the Mark Center in Alexandria, Virginia for The Joint, Office of the Secretary of Defense, Interagency Division. The selected candidate will provide expert support services to a range of customers spanning across the Department of Defense, Federal Civilian, and international markets. JOID provides a diverse portfolio of analytical and programmatic capabilities to help our customers make informed decisions on their most challenging issues.

Responsibilities

The Systems Engineer will work with a team of high-performance system administrators and security professionals to deploy, configure, and maintain secure Windows and Linux systems. The Systems Engineer will maintain secure application and database servers in accordance with DISA STIGs and work with software developers to deploy applications from development servers to production environments. Additional responsibilities include configuring web servers to host a variety of applications, administering and deploying SQL Server instances and databases, developing and executing SQL scripts, backing up and restoring databases, and managing database permissions. The Systems Engineer will also assist with managing the organization’s cloud-based resources and support developers’ access to applications and workspaces. On an as-needed basis, the Systems Engineer will support the physical security team by managing access tokens and performing routine security checks and other tasks.

Qualifications

Required:

· 7 years of experience deploying and maintaining server operating systems in a secure Federal environment.

· Active CompTia Security CE certification.

· Experience deploying and maintaining Windows based web application servers and SQL database servers.

· Proficiency in Windows Server installation, configuration, troubleshooting, and maintenance.

· Understanding of network protocols, security principles, and hands-on experience in network configuration and troubleshooting on Windows and/or Linux platforms.

· Knowledge of virtualization technologies like KVM, VMware, or Docker.

· Proficiency in Linux OS installation, configuration, troubleshooting, and maintenance, particularly on RHEL distributions.

· Proficiency in SQL database management systems (DBMS).

· Active DoW (formally DoD) Secret clearance.

· Able to work fully onsite based upon client needs.

Desired:

· Bachelor’s Degree from an accredited university.

· Proven expertise in system administration tasks including user management, permissions, file systems, disk and package management, network configuration, and security administration.

· Familiarity with system hardening techniques to secure Linux and Windows servers/workstations, adhering to DISA Security Technical Implementation Guides (STIGs) by configuring firewalls, managing user permissions, and implementing encryption.

· Experience with intrusion detection/prevention systems (IDS/IPS), vulnerability scanning tools, security information and event management (SIEM) systems.

· Capability to swiftly resolve security incidents on both Linux and Windows systems.

· Experience administering on the Amazon Web Services platform, including Amazon Workspaces.

· Strong proficiency in MySQL database management systems (DBMS).

· Active DoD TS/SCI clearance.

Pay: $115,000.00 - $120,000.00 per year

Benefits:

  • 401(k)
  • 401(k) matching
  • Dental insurance
  • Health insurance
  • Life insurance
  • Paid time off
  • Professional development assistance
  • Vision insurance

Experience:

  • Windows Linux RHEL Server: 7 years (Required)
  • DISA STIGs: 5 years (Required)
  • MS SQL Server support: 5 years (Required)
  • VMware: 7 years (Required)

Security clearance:

  • Top Secret (Required)

Work Location: In person

Salary : $115,000 - $120,000

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