Systems Administrator – Linux

Electrosoft • Atlanta, GA

1d

About The Position

Electrosoft Services, LLC is seeking a Linux Systems Administrator to support federal customers. The role administers and optimizes IT infrastructure across Microsoft Windows and Red Hat server platforms, ensuring reliability, security, and performance. The administrator plans, implements, maintains, and troubleshoots infrastructure systems and IT tools, and develops or modifies system specifications in response to customer requests.

The position involves command-line administration and operations, scripting and automation, and management of backup and disaster recovery using hybrid cloud solutions. The administrator maintains detailed system documentation, collaborates with cross-functional teams on infrastructure projects, and provides technical guidance and mentorship to junior team members. The role participates in a 24/7/365 on-call rotation.

Requirements

• Bachelor’s degree or higher in Computer Science, CIS, Information Security, IT, or a related field, with approximately 8 or more years of information security work experience; an equivalent combination of education, certifications, and IT experience is also acceptable.
• Strong knowledge and proficiency in infrastructure technologies, with approximately 8 or more years of experience. Technologies listed include Active Directory, Group Policy Objects (GPOs), user account management, DHCP, DNS, TCP/IP, IPv4/IPv6 addressing, server administration, certificate services, Ansible, server clustering, and virtualization.
• Current vendor certification, or one version release previous, such as Microsoft Certified: Windows Server Hybrid Administrator Associate, Red Hat Certified Engineer (RHCE), VMware Certified Professional - Data Center Virtualization 2024 (VCP-DCV 2024), or a higher IT/InfoSec-related certification; certification must be maintained.
• Experience administering, managing, troubleshooting, and deploying operating system updates and upgrades, security patches, and software to desktops and servers in physical and virtualized environments.
• Ability to participate in a 24/7/365 on-call rotation.
• Strong communication and documentation skills, including the ability to explain complex technical concepts to non-technical stakeholders.
• Organized, detail-oriented, and strong problem-solving skills, with the ability to work independently or as part of a team.
• Ability to troubleshoot and resolve LAN/WAN connectivity, performance, throughput, and other related network problems.
• Knowledge of or familiarity with security-hardening framework standards and regulations, including CIS Control 4 and NIST Special Publication 800-53.
• Proficiency in planning, implementing, administering, and troubleshooting platforms across Microsoft Windows and Red Hat server operating systems.
• Ability to perform administration and operations and maintenance tasks from the command line.

Responsibilities

• Plan, implement, administer, and troubleshoot infrastructure platforms across Microsoft Windows and Red Hat servers.
• Manage and optimize IT tools and solutions to meet operational requirements and ensure reliability, security, and performance.
• Analyze development and implementation requirements, modify existing systems as appropriate, and prepare specifications based on customer requests.
• Create, implement, maintain, troubleshoot, and use scripts to automate repetitive tasks, improve system functionality, and troubleshoot issues.
• Perform administration and operations and maintenance tasks from the command line.
• Manage and troubleshoot backup and disaster recovery strategies using hybrid cloud solutions such as CommVault Metallic Backups.
• Maintain detailed documentation of system designs, configurations, processes, and service records.
• Collaborate with cross-functional teams on IT infrastructure projects and provide technical guidance and leadership.
• Lead and mentor junior team members in best practices and technical challenges.
• Participate in a 24/7/365 on-call rotation.
• Administer, manage, troubleshoot, and deploy operating system updates and upgrades, security patches, and software to desktops and servers in physical and virtualized environments.
• Troubleshoot and resolve LAN/WAN connectivity, performance, throughput, and related network problems.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior