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Linux Systems AdministratorIsys Technologies • San Antonio, Colorado, United States
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Linux Systems Administrator

Isys Technologies
  • US
    San Antonio, Colorado, United States
  • US
    San Antonio, Colorado, United States
Jetzt Bewerben

Über

Minimum Clearance Required Secret
Responsibilities I2X Technologies is a reputable technology services company to the Federal Government. Whether the focus is on space exploration, national security, cyber security, or cutting‑edge engineering applications, I2X is ready to offer you the chance to make a real‑world impact in your field and for your country. We provide long‑term growth and development. Headquartered in Colorado, I2X is engaged in programs across the country and in more than 20 states. Our programs support multiple Federal agencies, the Department of Defense and often focused on the space initiatives of our government customers.
I2X Technologies is seeking a Systems Administrator
to support ongoing activities for a customer in San Antonio, Texas.
This position will be on‑site and will require an active Secret clearance.
Primary Responsibilities:
Responsible for the maintenance, configuration, and reliable operation of computer systems, network servers, and virtualization.
Install and upgrade computer components and software, manage virtual servers, and integrate automation processes.
Troubleshoot hardware and software errors by running diagnostics, documenting problems and resolutions, prioritizing problems, and assessing impact of issues and escalating application problems to vendor, as necessary.
Maintain essential IT infrastructure, including operating systems, security tools, applications, servers, email systems, laptops, desktops, software, and hardware.
Perform server administration tasks (ex: user/group, security permissions, group policies); research event‑log warnings and errors; and monitor resources to ensure that systems architecture components work together seamlessly.
Monitor device health using existing management tools, and respond to hardware issues as they arise; help build, test, and maintain new servers when needed.
Maintain internal infrastructure requirements, including laptop and desktop computers, servers, routers, switches, firewalls, phones, security updates; support internet, intranet, LANs, WANs, and network segments.
Assist with troubleshooting to identify root cause, and provide technical support when needed.
Perform routine and scheduled audits of all systems, including backups.
Implement Windows‑based security, including but not limited to user/group permissions, file/folder permissions, group policies, local security policies, etc.
Provide technical support for new system validations and change management efforts.
Install and configure local area networks (LANs), wide area networks (WANs), and network segments and servers, such as file servers, VPN gateways, and intrusion detection systems.
Manage user accounts, credentials, permissions, access rights, storage allocations, and active directory administration.
Interact with customers and senior managers, globally to handle service inquiries and problems.
Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements.
Provide follow‑up reports (technical findings, feedback, resolution steps taken) for root cause analysis, engineering technical assessment and process improvement initiatives.
Mentor junior team members.
Update operations and maintenance documentation for 24/7/365 personnel.
Support operations across multiple geographic locations.
Qualifications Clearance:
US Citizenship is required.
An active Secret clearance is required for this position.
Basic Qualifications:
The candidate must have a BS and 4+ years of prior relevant experience or Master with 2+ years of prior relevant experience.
Candidate must, at a minimum, meet DoD 8570.11‑ IAT Level II certification requirements (currently Security+ CE, CCNA Security, GSEC, or SSCP).
Strong knowledge of systems and networking software, hardware, and networking protocols.
Working knowledge of virtualization, VMWare, or equivalent.
Expert knowledge of security, storage, data protection, and disaster recovery protocols.
Experience with or knowledge of programming languages and operating systems, current equipment and technologies, enterprise backup and recovery procedures, systems performance‑monitoring tools, active directories, virtualization, HTTP.
Excellent customer service skills complemented by an ability to listen to and interpret client requests.
Experience in multiple OS platforms with strong emphasis on Linux (CentOS, Red Hat, Ubuntu), Mac OS X and Windows systems.
In‑depth knowledge of the TCP/IP protocol suite, security architecture, securing and hardening Operating Systems, Networks, Databases and Applications.
Experience with Tier 2 system administration.
Experience with Scripting/Automation.
Experience with server patch management methodologies.
Strong oral and written communications skills.
Track record of working effectively within a team, and support to peers toward improved processes and results.
Experience with support ticket management systems.
Experience operating/maintaining NMS systems to include operation, daily maintenance and capability enhancement.
RHCSA (Red Hat Certified System Administrator) or RHCE (Red Hat Certified Engineer).
Advanced CLI troubleshooting, RHEL Linux environments, systemd configuration, package management, kernel parameter tuning, firewall management (firewalld/iptables).
Advanced Bash/Python scripting for automation.
Deployment and scaling of OpenNMS (Meridian/Horizon).
Configuring data collection (SNMPv3, WMI, JMX) – Setting up distributed monitoring using OpenNMS Minions, Kafka integration, and managing thresholds/alarms.
Essential Requirements:
US Citizenship is required.
Active Secret clearance is required.
Physical Demands The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job with or without reasonable accommodation.
While performing the duties of this job, the employee will regularly sit, walk, stand and climb stairs and steps. May require walking long distance from parking to work station. Occasionally, movement that requires twisting at the neck and/or trunk more than the average person, squatting/kneeling, reaching above the head, and forward motion will be required. The employee will continuously be required to repeat the same hand, arm, or finger motion many times. Manual and finger dexterity are essential to this position. Specific vision abilities required by this job include close, distance, depth perception and telling differences among colors. The employee must be able to communicate through speech with clients and public. Hearing requirements include conversation in both quiet and noisy environments. Lifting may require floor to waist, waist to shoulder, or shoulder to overhead movement of up to 20 pounds. This position demands tolerance for various levels of mental stress.
Benefits I2X Technologies is an Engineering and Information Technology Company focused on providing Services to the Federal and State Government. I2X offers a competitive compensation program and comprehensive benefits package to our employees.
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  • San Antonio, Colorado, United States

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