Senior Linux Administrator
Arlington, VA
DO06-001-03 /
Public Trust /
Hybrid
At phia we hire talented and passionate people who are focused on collaborative, meaningful work, providing technical and operational subject matter expertise and support services to our partners and clients.
phia is seeking a Linux Administrator with cloud experience to support a Federal customer. This hybrid position will require weekly in-person reporting to a location in Arlington, VA. Ideal candidates will need to reside within a commutable distance to the customer.
What You'll Do
- System Administration: Oversee the day-to-day operations of the customer’s lab environments including installation, configuration, and maintenance of Linux operating systems (e.g., CentOS, Ubuntu, Red Hat).
- Performance Monitoring and Optimization: Monitor system performance, troubleshoot issues, and optimize system resources to ensure maximum uptime and efficiency. Implement proactive measures to identify and address potential bottlenecks or performance degradation.
- Security Management: Implement and maintain security measures to protect systems from vulnerabilities, unauthorized access, and malware threats.
- Backup and Disaster Recovery: Develop and maintain backup and disaster recovery plans for Linux systems.
- Patch Management: Manage the patching process for Linux servers, including scheduling, testing, and deploying software updates and security patches promptly. Ensure compliance with patch management policies and procedures.
- Automation and Scripting: Develop automation scripts and tools using shell scripting (e.g., Bash), Python, or other scripting languages to streamline system administration tasks, automate repetitive processes, and improve operational efficiency.
- Collaboration: Collaborate with cross-functional teams including key stakeholders to support project initiatives and resolve technical issues.
- Documentation: Document system configurations, procedures, and troubleshooting steps for knowledge-sharing and training purposes.
- Technical Support: Provide technical support and troubleshooting assistance to internal users and teams regarding Linux-related issues.
- Diagnose problems and implement solutions in a timely manner to minimize downtime and disruptions.
- Advise customers and keep them informed on new and emerging technological threats.
Education + Experience Requirements
- A bachelor’s degree in Information Security, Cyber Engineering, or a related discipline is required.
- 6+ years of directly relevant experience as a Linux System Administrator.
- Proficiency in managing and maintaining Linux servers (e.g., Red Hat, CentOS, Ubuntu).
- Strong understanding of Linux file systems, permissions, and security.
- Hands-on experience with AWS services such as EC2, S3, RDS, VPC, IAM, CloudFormation, and Lambda.
- Knowledge of networking concepts and protocols (TCP/IP, DNS, VPN, etc.).
- Experience with network troubleshooting and security (firewalls, security groups, NACLs).
Security Clearance
- U.S. Citizenship
- Must be able to obtain DHS Suitability and obtain a TS/SCI clearance
Desired
- Experience with Terraform
- Experience with shell scripting (Bash, Python, etc.) for automation and task management.
- Excellent problem-solving and analytical skills.
- Strong communication and interpersonal skills.
- Knowledge of U.S. Government IA policies, procedures, standards, guidelines, and objectives.
- Information Security and IT certifications: Splunk, AWS, Cisco, Red Hat, etc.
#LI-LC1
Who You Are
A proactive problem solver that appreciates the challenges of working in a fast-paced, dynamic environment.
Intellectually curious with a genuine desire to learn and advance your career.
An effective communicator, both verbally and in writing.
Customer service-oriented and mission-focused.
Critical thinker with excellent problem-solving skills
If your experience and qualifications aren’t a match for this position, you will remain in our database for consideration for future opportunities that may be a better fit.
Who We Are
phia, LLC is a Northern Virginia-based, small business established in 2011 with a focus on Cyber Intelligence, Cyber Security/Defense, Intrusion Analysis & Incident Response, Cyber Architecture & Capability Analysis, Cyber Policy & Strategy, and Information Assurance/Security. we proudly support various agencies and offices within the Department of Defense (DoD), Federal government, and private/commercial entities.
phia values work-life balance and offers the following benefits to full-time employees:
Comprehensive medical insurance to include dental and vision
Short Term & Long-Term Disability
401k Retirement Savings Plan with Company Match
Tuition and Professional Development Assistance Flex Spending Accounts (FSA)
phia does not discriminate on the basis of race, sex, color, religion, age, national origin, marital status, disability, veteran status, genetic information, sexual orientation, gender identity, or any other reason prohibited by law in the provision of employment opportunities and benefits.
