By Light Professional IT Services

Linux System Administrator

Information Technology
5 - 7 years of experience
Job Overview by Ladders

Qualifications

  • High school diploma or AA; Bachelor's in IT or related field preferred
  • 6+ years of experience with RHEL 7 and/or RHEL 8 servers
  • Must possess IAT Level II certification and relevant CE certification
  • Extensive knowledge in Linux administration and best practices
  • Familiarity with enterprise network architectures
  • Experience with automated configuration management tools like Ansible
  • Strong programming/scripting skills for automation (Bash, Ruby, Python, etc.)

Responsibilities

  • Provide system administration support for Linux operating systems
  • Analyze and resolve problems with operating systems and applications
  • Monitor performance and troubleshoot server alerts
  • Perform system backups and patching
  • Ensure adherence to security compliance with DoD guidelines
  • Implement and maintain Ansible for configuration management
  • Document processes for daily and emergency procedures

Benefits

  • Teleworking options available: 3 days onsite, up to 2 days telework
  • Opportunity to support military and government IT infrastructure
  • Use of ITIL best practices for IT service management
  • Potential for ongoing training and certification upgrades
  • Collaborative team environment with opportunities for leadership experience
Full Job Description
Position Overview

By Light has an opening for a Sr. Systems Administrator (Linux/Unix) position supporting the Army National Guard (ARNG) in Falls Church, VA. This is an IT Service Management contract in support of the operation, modernization, expansion, and further evolution of the ARNG's global Information Technology (IT) services including networking, compute, storage, infrastructure, applications, hosting, and program management services. The GECOS program supports the ARNG enterprise IT infrastructure, its Wide Area Network (WAN), authentication and directory services, cybersecurity, application hosting, and associated services. GECOS uses ITIL best practices framework as the basis for IT Service Management (ITSM) model.

Three (3) days onsite with up to two (2) days telework. Onboarding/transition in period requires on-site support up to 60 days. GECOS work schedules are subject to change on direction by mission requirements.

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.
  • 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.


Required Experience/Qualifications

  • High school diploma or AA. Preferred - 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.
  • 6+ years of overall demonstrated experience as a RHEL 7 and/or RHEL 8 Servers
  • 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) When 8140 requirements are implemented on program/contract, employee will need to conform to 8140 certification standards
  • 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 skills
  • Excellent documentation skills
  • Strong 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.
  • Ability to work under time constraints.
  • Adapt to changes in requirements and new projects.
  • Manage or serve as a team lead.
  • Maintain and upgrade certifications.
  • Other duties may be assigned, directed, or requested.


Special Requirements/Security Clearance

  • Must have a minimum of an active Secret clearance at time of interview and candidate must maintain active clearance.


Salary Range

Salary Minimum: $90,000

Salary Maximum: $120,000

The annual base salary provided is a guideline for this position and is not a guarantee of compensation or salary. When extending an offer, By Light also considers other variables such as (but not limited to) work experience, education, training, skill set, internal peer equity, clearance level, and market conditions. In addition, By Light provides an extensive selection of benefits and offerings to our employees.

About By Light Professional IT Services

By Light Professional IT Services is a provider of full lifecycle information technology and telecommunications solutions to the federal government and commercial clients. The company provides services in the areas of cybersecurity, cloud computing, application development, network engineering, and strategic consulting. By Light has been recognized as one of the fastest-growing private companies in the United States by Inc. Magazine and has been named a top workplace by The Washington Post.
Learn more about By Light Professional IT Services
Size
1,500 employees
Industry

Similar Jobs

More Jobs at By Light Professional IT Services

  • By Light Professional IT Services
    Linux System Administrator
    $90K — $120K *
    Falls Church, VA 22042 (Fairfax County)
    Information Technology
    In-Person
  • By Light Professional IT Services
    Systems Engineer, Sr.
    $90K — $120K *
    Patrick Afb, FL 32925 (Brevard County)
    Information Technology
    In-Person
  • By Light Professional IT Services
    Cyber Range Engineer - Sr.
    $110K — $150K *
    Virginia Beach, VA 23464 (Virginia Beach City County)
    Information Technology
    In-Person
  • By Light Professional IT Services
    DevOps Engineer
    $90K — $120K *
    Orlando, FL 32828 (Orange County)
    Aerospace & Defense
    In-Person
  • By Light Professional IT Services
    Systems Engineer
    $75K — $95K *
    Orlando, FL 32828 (Orange County)
    Aerospace & Defense
    In-Person

More Information Technology Jobs

Find similar Linux System Administrator jobs: