Lead Systems Administrator (Unix / Linux)- Top Secret Required

DirectViz Solutions, LLCDahlgren, VA, USA

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DirectViz Solutions (DVS) is a dynamic and rapidly growing government contractor committed to delivering innovative IT solutions that address the mission-critical needs of our government clients. Through the expertise and dedication of our talented team, we provide cutting-edge technology services designed to achieve success and exceed expectations.

At DVS, we prioritize our employees as our greatest asset. We offer competitive compensation, comprehensive medical benefits, a 401(k) match, generous PTO accrual, professional development reimbursement, corporate-funded technology certifications, and robust employee recognition and appreciation programs.

Location : Dahlgren, VA Clearance Required : Active Top Secret

Position Overview

We are seeking an experienced Lead Systems Administrator (Unix / Linux) to provide operational leadership for both classified and unclassified IT environments. This role is critical in ensuring the reliability, security, and performance of enterprise systems that support mission-essential operations. The successful candidate will deliver end-to-end IT support across system life cycles, infrastructure optimization, disaster recovery, and cybersecurity compliance.

Key Responsibilities

IT Operations & Infrastructure Support

Lead full life-cycle support, troubleshooting, design, maintenance, and system administration for classified / unclassified systems.

Manage and maintain IT infrastructure, ensuring system availability, resiliency, capacity, and performance.

Oversee incident, problem, change, and configuration management processes.

Provide Helpdesk escalation support, installation, configuration, patching, upgrades, and end-user support.

Systems Administration

Administer and maintain various Operating Systems including UNIX / Linux (RedHat, RedHawk, HPUX, Solaris, AIX, OpenVMS, CentOS, RTOS) and select Windows systems.

Support multiple server hardware architectures : VAX, ALPHA, SPARC, x86, PA-RISC, Concurrent .

Configure and manage enterprise storage solutions including SAN, NAS, storage controllers, and fiber fabric switches (NetApp, Vast, Dell EMC, Synology, Quantum).

Backup & Disaster Recovery

Implement and support disaster recovery strategies to ensure continuity of critical systems.

Manage hardware / software backup solutions including tape jukebox, smart disk systems, Dell EMC Networker, Quantum, and Clonezilla .

Maintain system images and ensure recoverability in compliance with mission requirements.

Cybersecurity & Compliance

Apply security best practices, patching, and vulnerability management across systems.

Support cybersecurity compliance frameworks and ensure secure system operations.

Implement monitoring and detection methods aligned with evolving threat environments.

Documentation & Optimization

Maintain technical documentation for system configuration, troubleshooting, and procedures.

Drive continuous improvement through performance tuning, operations optimization, and resource allocation strategies.

Required Qualifications

Experience : Minimum six (6) years of professional experience in UNIX / Linux system administration, including :

System backup and recovery.

Software and security management.

Hardware installation / configuration and COTS software integration.

System sizing, performance tuning, troubleshooting, and resource allocation.

Experience with TCP / IP and multiple network protocols.

Knowledge of major network security tools, firewalls, vulnerabilities, attack methods, and detection techniques.

Certification : IAM Level III certification (CISM, CISSP, or GSLC).

Clearance : Active Top Secret clearance required.

Preferred : Education : Master's degree in Electrical / Electronic / Computer Engineering, Computer Science, or Information Systems.

If you thrive on solving complex problems and building meaningful connections, we'd love to hear from you. Join our team and make an impact today!

Physical and Mental Qualifications :

Maintain focus and awareness throughout scheduled working hours.

Perform tasks requiring prolonged periods of sitting or standing at a desk, utilizing a computer, mouse, and keyboard.

Lift and move objects weighing up to 15 pounds as needed.

Exhibit excellent verbal and written communication skills, with a strong command of the English language.

Demonstrate the ability to work independently while also collaborating effectively as part of a team.

Quickly learn and retain routine tasks and processes.

Possess strong organizational skills, attention to detail, business correspondence proficiency, and self-management capabilities.

Perform the essential functions of the role satisfactorily; reasonable accommodation will be provided for employees with disabilities upon request.

Accept and adapt to additional responsibilities or changes to assigned duties as determined by DirectViz Solutions (DVS).

DirectViz Solutions, LLC (DVS) is an equal opportunity employer who prohibits discrimination and harassment against any employee or applicant for employment based on race, , sex (including pregnancy), age, gender identity, creed, religion, national origin, sexual orientation, marital status, genetic information, disability, political affiliation, protected veteran status, or any other status protected by federal, state or local law.

DVS has a zero-tolerance policy for harassment, threats, coercion, discrimination, and intimidation. Employees may file a complaint or exercise any right protected by Executive Order 11246, Section 503 of the Rehabilitation Act of 1973, as amended, Section 4212 of the Vietnam Era Veterans Readjustment Assistance Act of 1974, or the Veterans Employment Opportunities Act of 1998.

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System Administrator • Dahlgren, VA, USA