Linux Enterprise System Administrator with TS/SCI Clearance

Select Search Associates LLC; Fairfax (VA); On-site; USD 110,000 - 180,000; Full time

Job summary

Select Search Associates LLC is seeking a Linux Enterprise System Administrator to maintain, upgrade, and support Linux infrastructures in a high-security environment. The role requires diagnosing issues, communicating with varied stakeholders, and handling on-premises, VM, and cloud environments with a TS/SCI clearance (CI polygraph acceptable).

The candidate will upgrade software, test patches, and integrate new technologies while ensuring security and reliability.

Qualifications

• BS degree in Computer Science or similar field preferred, relevant work experience may be substituted.
• 5+ years of experience as a Linux System Administrator (Enterprise).
• Ability to build/maintain/administer servers
• In-depth knowledge and experience with Linux operating system.
• Good knowledge of several scripting languages (Linux based)
• General understanding of IP networks, switching, subnets and VLANs.
• General understanding of hardware to include Servers, Blade Chassis, Fiber Channels, SANS.
• Ability to respond to support requests after hours.
• Flexible and able to adapt to rapidly changing environment.
• Knowledge of system security concerns and vulnerabilities.
• Experience with RH Directory Server or FOSS alternatives.
• Good problem-solving abilities.
• Positive, self-motivated individual who can complete tasks independently.
• IA certification (either Security+ or CISSP).

Responsibilities

• Proactively manage system infrastructure including, databases, testing computer equipment, and other software and hardware.
• Provide technical support for both hardware and software issues that may arise.
• Perform system monitoring and analysis verifying the integrity and availability of all hardware, performance tuning and troubleshooting of servers, software and hardware and respond to anomalies.
• Regularly upgrade system software and firmware as required.
• Assist in integrating new applications and technologies into the current system.

Skills

Linux Admin

Shell Scripting

Cloud Environments

Kubernetes

Networking basics

Security clearance TS/SCI

RH Directory Server

IA/Security certifications

Servers administration

Problem solving

Education

BS in Computer Science or related field

5+ years Linux Enterprise experience

Tools

GitLab

Puppet

Job description

Linux Enterprise System Administrator with TS/SCI Clearance

• Fairfax, Virginia

Linux Enterprise System Administrator

Our systems administration team seeks a strong Linux enterprise systems administrator whose primary responsibility will be to maintain, upgrade and provide support for Linux operating systems and infrastructures. As a member of our team, the candidate needs to be able to diagnose and resolve problems and respond to issues in a timely manner. The individual should be able to easily communicate technical concerns and solutions to people with varying degrees of technical knowledge as well as working with said individuals to resolve technical issues. Responsibilities also include but are not limited to maintaining system infrastructure, supporting upgrades and patches for Security and application support, testing patches prior to pushing to the enterprise, and testing/building new and existing servers. The ideal candidate would have experience in a traditional bare metal and VM environment as well as Cloud environments with a desire to gravitate more to the latter.

Clearance

Active TS/SCI security clearance open to obtaining CI polygraph.

Duties / Responsibilities

• Proactively manage system infrastructure including, databases, testing computer equipment, and other software and hardware.
• Provide technical support for both hardware and software issues that may arise.
• Perform system monitoring and analysis verifying the integrity and availability of all hardware, performance tuning and troubleshooting of servers, software and hardware and respond to anomalies.
• Regularly upgrade system software and firmware as required.
• Assist in integrating new applications and technologies into the current system.

Qualifications and Skills

• BS degree in Computer Science or similar field preferred, relevant work experience may be substituted.
• 5+ years of experience as a Linux System Administrator (Enterprise).
• Ability to build/maintain/administer servers
• In-depth knowledge and experience with Linux operating system.
• Good knowledge of several scripting languages (Linux based)
• General understanding of IP networks, switching, subnets and VLANs.
• General understanding of hardware to include Servers, Blade Chassis, Fiber Channels, SANS.
• Ability to respond to support requests after hours.
• Flexible and able to adapt to rapidly changing environment.
• Knowledge of system security concerns and vulnerabilities.
• Experience with RH Directory Server or FOSS alternatives.
• Good problem-solving abilities.
• Positive, self-motivated individual who can complete tasks independently.
• IA certification (either Security+ or CISSP).

Desired Skills and Experience

• Experience with Cloud Environments and architectures under Kubernetes (K8s) orchestration
• GITLAB and puppet experience
• GPFS/IBM ESS experience

Travel

Willingness to travel to customer sites preferred. Travel usually not to exceed 25%.