Senior Linux Administrator Team Lead

GD Information Technology•Fairview Park, OH

3d•Hybrid

About The Position

HOW A LINUX SYSTEM ADMINISTRATOR WILL MAKE AN IMPACT: Provide system administration support for Linux operating systems including installing software, applying patches, managing file systems, monitoring performance, and troubleshooting alerts from monitoring tools. Analyzes and resolves problems associated with the operating system, servers, hardware, and applications software. Detects, diagnoses, and reports related problems on servers, including system failure analysis and recovery, insuring the consistency and integrity of file systems. In-depth hardware configuration knowledge, shell programming expertise, and a solid understanding of standard concepts, practices, and procedures. Relies on experience and judgment to plan and accomplish goals, performs a variety of tasks, and works under general supervision. Responsible for daily monitoring of interface programs between multiple enterprise systems; review daily logs and ensure successful completion. Perform incremental and full cold backups/patching. Responsible for DoD Linux Security Technical Implementation Guides (STIGs). Provide performance metrics and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers. Provide general maintenance, upgrades, and new installation of servers and coordinate with data center personnel to execute. Document and generate business processes for day-to-day and emergency support procedures. Install, test, and verify Linux Security patches; coordinating, documenting requirements and timelines, and working closely with service owners. Perform systems security administration functions, including creation and maintenance of customer profiles and accounts. Responsible for creating and/or maintaining standard operating procedures for the Linux documentation library. Implement, configure, update, and maintain Ansible servers and scripts. Implement, configure, update, and maintain STIG Manager servers and scripts. Implement, configure, update, and maintain the Linux operating system firewall. Experience in handling NFS, CIFS, and SMB permissions.

Requirements

High school diploma or AA.
10+ years of overall demonstrated experience as a RHEL 7 and/or RHEL 8 Servers
Experience managing RHEL 7 and RHEL 8 Linux servers
Highly versed in Linux administration and best practices
Familiar with enterprise network architectures
Experience with automated configuration management (Ansible, Puppet, Chef, etc.)
Familiar in programming/scripting skills for automation (Bash, Ruby, Python, Perl, etc.)
General understanding of Linux internals (system calls, file systems, processes, etc.)
General understanding of TCP/IP and related protocols (HTTP, FTP, NFS, etc.)
Experience with PowerShell scripting engine to automate tasks.
Excellent problem solving, analytical, and decision-making capabilities, including understanding user requirements, troubleshooting technical issues, successfully resolving issues and challenges, and developing creative solutions for process improvement.
Dependability, in that the individual is consistently at work and on time, follows instructions, responds to management direction, and solicits feedback to improve.
Must have customer service experience as this position will require candidate to engage with senior military and government leadership.
Must be able to present your ideas clearly through briefings, meetings, and interaction with leadership of different skill sets.
Must be able to provide training sessions as required.
Must be able to engage with stakeholders to ensure tasks are progressing and meeting timelines.
Excellent communication, documentation, organizational and collaborative skills.
Strong teamwork and engagement as a project team member.
Ability to assimilate information rapidly, motivated to self-study new requirements.
Maintain current industry knowledge of relevant concepts, practices, and procedures.
Maintain and upgrade certifications.
Must Possess the appropriate baseline certification(s) to achieve DoD 8570.01-M Information Assurance Technical (IAT) Level II (CompTIA Security+ ce) and additional Computing Environment (CE) certification (RHEL7 and/or RHEL 8)
Must have a minimum of an active Secret clearance at time of interview and candidate must maintain active clearance.
US Citizenship Required

Nice To Haves

Bachelor’s degree in information technology, computer science or a related technical discipline, or the equivalent combination of education, technical certifications or training, or work experience.

Responsibilities

Provide system administration support for Linux operating systems including installing software, applying patches, managing file systems, monitoring performance, and troubleshooting alerts from monitoring tools.
Analyzes and resolves problems associated with the operating system, servers, hardware, and applications software.
Detects, diagnoses, and reports related problems on servers, including system failure analysis and recovery, insuring the consistency and integrity of file systems.
Responsible for daily monitoring of interface programs between multiple enterprise systems; review daily logs and ensure successful completion.
Perform incremental and full cold backups/patching.
Responsible for DoD Linux Security Technical Implementation Guides (STIGs).
Provide performance metrics and usage charts, including CPU usage, disk usage and network uptime for the Linux Servers.
Provide general maintenance, upgrades, and new installation of servers and coordinate with data center personnel to execute.
Document and generate business processes for day-to-day and emergency support procedures.
Install, test, and verify Linux Security patches; coordinating, documenting requirements and timelines, and working closely with service owners.
Perform systems security administration functions, including creation and maintenance of customer profiles and accounts.
Responsible for creating and/or maintaining standard operating procedures for the Linux documentation library.
Implement, configure, update, and maintain Ansible servers and scripts.
Implement, configure, update, and maintain STIG Manager servers and scripts.
Implement, configure, update, and maintain the Linux operating system firewall.
Experience in handling NFS, CIFS, and SMB permissions.

Benefits

Our benefits package for all US-based employees includes a variety of medical plan options, some with Health Savings Accounts, dental plan options, a vision plan, and a 401(k) plan offering the ability to contribute both pre and post-tax dollars up to the IRS annual limits and receive a company match.
To encourage work/life balance, GDIT offers employees full flex work weeks where possible and a variety of paid time off plans, including vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave.
To ensure our employees are able to protect their income, other offerings such as short and long-term disability benefits, life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance are provided or available.

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