Senior Systems Administrator (Unix/Linux)
Clearance: Top-Secret
Position Type: Full-Time AERMOR is seeking a Senior Systems Administrator (Unix/Linux) to provide advanced system administration and network support for Unix and Linux-based environments. The individual is responsible for maintaining, configuring, securing, and optimizing complex computing systems to ensure maximum performance, reliability, and availability. This role requires a deep understanding of Unix/Linux operating systems, network protocols, security management, and troubleshooting methodologies. Responsibilities:
- Administer, configure, and maintain Unix/Linux operating systems and server environments.
- Perform system installation, upgrades, and patch management to ensure compliance and stability.
- Manage system backups, disaster recovery processes, and data integrity measures.
- Implement and maintain security controls, including user access management and vulnerability remediation.
- Monitor system performance and resource utilization, performing tuning and optimization as needed.
- Troubleshoot complex issues involving hardware, software, and network configurations.
- Support and maintain commercial off-the-shelf (COTS) and custom software applications.
- Oversee system resource allocation and capacity planning to support evolving operational requirements.
- Utilize network security tools such as firewalls, intrusion detection/prevention systems, and vulnerability scanners.
- Apply knowledge of network protocols including TCP/IP and associated configuration best practices.
- Identify, assess, and mitigate computing and networking vulnerabilities using current detection and defense methods.
- Document system configurations, procedures, and maintenance logs in accordance with DoD standards.
- Provide technical guidance and mentorship to junior administrators and IT personnel.
- Six (6) years of professional experience in Unix and/or Linux system administration.
- Bachelor’s Degree in Information Technology or similar discipline is highly desired.
- Information Assurance Technical (IAT) Level III certification is required.
- Experience managing system backup and recovery operations, security configurations, and software management.
- Proficiency in installation, configuration, and maintenance of hardware and operational software.
- Skilled in system performance tuning, troubleshooting, and resource allocation across diverse environments.
- Knowledge of TCP/IP and major network security tools, including firewalls and intrusion detection systems.
- Understanding of network vulnerabilities, attack methods, and modern detection and defense techniques.
- Strong problem-solving and diagnostic skills in both hardware and software environments.
- Excellent written and verbal communication skills.
Recommended Jobs
Maintenance Technician
The ideal candidate must be organized, professional and motivated, dependable, capable of working well alone or as a member of a team; must have good awareness of internal and external deadlines: must…
Board Certified Behavior Analyst
Job Description Job Description Join Go Forward ABA and Transform Lives! Are you a mission-driven Board Certified Behavior Analyst (BCBA) ready to leverage your passion to create lasting prog…
Locum Cardiothoracic Physician Assistant
Palm Health Resources is hiring an experienced cardiothoracic physician assistant / nurse practitioner with extensive EVH experience, Cardiac OR first assisting experience at a BEAUTIFUL Hospital in …
Production Embroidery Worker
Job Description Job Description Fully Promoted in Virginia Beach, VA is looking for a part time person to join our team . We are located on 3018 Virginia Beach Blvd. Our ideal candidate is att…
Software Developer, Mid
Software Developer, Mid Position Description Help us find and track criminals... and run the technology behind it! Are you ready to take on a pivotal role in revolutionizing the future of crimin…
ISSO
Program Overview About The Role Job Summary : We are seeking an experienced and highly motivated Information Systems Security Officer (ISSO) to join our team. The ISSO will be responsib…
Datacenter Technician
Job Description Job Description Required Skills & Experience Education: • Bachelor’s degree in Computer Science, Information Technology, or a related field, or equivalent experience. …
Database Engineer - DHA
Based in the Washington, D.C. Metro area, Pivot Path Solutions, LLC is a government contracting and business solutioning firm that offers enterprise IT solutions, strategic planning, organizational d…
LPN/LVN - Correctional Medicine #65142
Adelphi is seeking a Licensed Practical Nurse (LPN) to provide nursing care and services at facilities in Chatham and Independence, Virginia. The ideal candidate will deliver quality nursing care to …
Senior Director of Capture Management
Senior Director of Capture Management Location Ashburn, VA : Job ID: 2315293-3449 Location: REMOTE WORK, VA, US Date Posted: 2025-11-08 Category: Business Development Subcategory: Capture …