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Centuria · 3 months ago

Lead Senior Systems Admin (UNIX/ LINUX)

Dahlgren, VA

Full-time

Onsite

Senior Level, Lead/Staff

6+ years exp

Centuria is a Service-Disabled Veteran-Owned Small Business that has been providing IT, Engineering, and Scientific solutions to the Federal Government since 2002. They are seeking a Lead Senior Systems Admin (UNIX/Linux) to monitor system health, troubleshoot issues, manage storage systems, and ensure compliance with security requirements.

Natural ResourcesSupply Chain Management

Diversity & Inclusion

No H1B

Security Clearance Required

U.S. Citizen Only

Responsibilities

Monitor system health and performance

Troubleshoot and resolve system issues across hardware, software, and network layers

Maintain and manage storage systems

Manage system backup and recovery

Coordinate with external hardware, network, and infrastructure teams

Provide after-hours on-call and call-in support as needed

Ensure compliance with system security requirements

Participate in technical and engineering discussions

Create and maintain system-level scripts and automation tools

Apply system patches and perform upgrades

Administer and manage user accounts

Maintain accurate hardware and asset inventory records

Qualification

UNIX/Linux administrationSystem backupRecoveryNetwork protocols (TCP/IP)Security managementCOTS software installationPerformance tuningTechnical documentationMS Office proficiencyTroubleshooting skillsProposal writingTeam coordinationUser account managementPresentation skills

Required

Six (6) years of professional experience in UNIX and/or Linux system administration of networks and software systems

Experience in system backup and recovery; basic software management; security management and library management; installation and configuration of hardware; operational systems and Commercial Off-The-Shelf (COTS) software; operating computer systems in different operating environments; and sizing, performance, tuning, hardware/software/network trouble shooting and resource allocation

Experience in different network protocols including TCP/IP and major network security tools such as firewalls, knowledge of computing and networking vulnerabilities, attack methods, and latest detection methods

Demonstrable experience in writing business/project plans, technical documents, presentations and proposals required

Individual must have high degree of skills with the MS Office toolsets

Candidate will work on-site

DoD 8570 IAT III. One of the following certifications is required: CASP CE, CCNP Security, CISA, CISSP or CISSP Associate, GCED, GCIH

DoD Top Secret with the ability to get a Top Secret clearance