Overview

　　i3 is seeking a creative and driven professional with a passion for solving real-world issues on a cross-functional, fast paced team. The candidate for theSenior-Level Linux Administratorposition will be responsible for ensuring and maintaining the appropriate operational security posture for accredited information systems with various Linux operating systems in different operating environments and configurations. The candidate will be responsible for working closely with end-users to properly manage and monitor the systems for very specific simulation functionality needed.

　　Responsibilities

　　Be responsible for installing, configuring, and maintaining operating system workstations and servers, including virtual, cloud, as well as web servers, in support of business processing requirements.

　　Perform software installations and upgrades to operating systems and layered software packages.

　　Schedules installations and upgrades and maintains them in accordance with established IT policies and procedures.

　　Monitor and tunes the system to achieve optimum performance levels.

　　Ensures workstation/server data integrity by evaluating, implementing, and managing appropriate software and hardware solutions.

　　Ensure data/media recoverability by implementing a schedule of system backups and database archive operations. Supports media management through internal methods and procedures or through offsite storage and retrieval services.

　　Develop and promotes standard operating procedures.

　　Conduct routine hardware and software audits of workstations and servers to ensure compliance with established standards, policies, and configuration guidelines.

　　Develop and maintains a comprehensive operating system hardware and software configuration database/library of all supporting documentation.

　　Be responsible for client's E-Root architecture and configuration.

　　Serve as alternate/secondary DDI Service Architect responsible for the configuration and maintenance of client's DNS, DHCP and IPAM (DDI) enterprise application and services.

　　Ensure the day-to-day operation and ongoing support of Servers and Systems including even, fault, and performance management.

　　Develop solutions to monitor, notify, and correct anomalies/alarms.

　　Evaluate the current e-root architecture. Design the environment and software layers to provide for a reliable, scalable, secure and highly available Linux environment.

　　Find gaps in the Linux environment and use analytical skills and knowledge of problem-solving methodologies to provide solutions.

　　Lead efforts and work closely with systems administrators, database and application administrators/programmers, network engineers/analysts and outside vendors in engineering solutions or resolving problems.

　　Act as a lead consulting and training resource for e-root architectural environment.

　　Provide guidance to systems administrators, network engineers/analysts on the configuration of server hardware and architectures to meet application and service requirements.

　　Lead IR&D efforts to identify new solutions, communicating solutions and progress with Senior and Program Management.

　　Work closely with vendors or other groups within the organization to correct problems or perform root cause analysis.

　　Analyze and make formal recommendations on optimization and capacity planning for systems.

　　Design, develop, and maintain process automation scripts and utilities written in BASH/Python and other programing languages as required.

　　Develop and maintain documentation related to the design, installation, administration, and maintenance of multiple Linux systems in a distributed computing environment.

　　Ensure stability, viability and maintenance of the 24/7 mission-critical production environment.

　　Prepare weekly reports on significant events.

　　Write test plans and conduct product evaluations in a lab environment.

　　Be available to support and participate after hours critical incident management events as required.

　　Design and maintain a repeatable, documented patch deployment methodology for system administrators to implement. Diagnosis complex performance issues and facilitate recovery of failed systems in accordance with customer Service Level Agreements.

　　Qualifications

　　Required:

　　Bachelors in a related field, or equivalent experience, plus a minimum of 5-7 years of experience with installing, securing, and maintaining Linux operating systems. Additional experience may substitute for degree.

　　Experience with system virtualization will be a plus.

　　Write and evolve configuration management content via Ansible playbooks.

　　Linux OS Certification is a plus.

　　Must have DoD 8570 IA Certification (Security+ CE).

　　Ability to work with little or no direct supervision and in a team environment.

　　Demonstrated multi-tasking skills.

　　Must have experience with UNIX server administration including RedHat LINUX platform, DNS, DHCP, TCP/IP, and high availability.

　　U.S. citizenship is required.

　　Currently have active SECRET clearance.

　　Preferred:

　　Backup and storage device monitoring

　　Ticket resolution

　　Operational Backup Recovery

　　SAN zoning/NAS share management

　　Operational Reporting

　　Issue Escalation

　　Gather information from CMDB as needed

　　Knowledge of EMC backup products Avamar and Data Domain

　　Knowledge of NetBackup

　　Knowledge of tape libraries

　　MS Office

　　Basic understanding of: VNX Storage, Unity Storage

　　About i3

　　Headquartered in Huntsville, AL, i3 is a national leader in providing innovative technical and engineering solutions to a broad customer base across the U.S. DoD. Specializing in missile and aviation engineering and logistic services, electronic warfare and electromagnetic affects analysis, UAS system integration and flight operations, full lifecycle C5ISR engineering services, engineering analysis, cybersecurity and IT/IA innovative solutions and virtual training, simulation & serious game development and implementation.

　　We were founded in 2007 with the intent to do business differently.

　　Our focus is to leave our team members and customers better than we found them.

　　Our ultimate goal is to strengthen our Nation and our warfighter.

　　Perks and Benefits at i3:

　　100% team member owned

　　Outstanding insurance coverage

　　401(k) match

　　Health and wellness incentives

　　Tuition and certification reimbursement

　　Generous PTO

　　Fun culture with company activities

　　Countless opportunities to give back to the community through our charitable organization, i3 Cares

　　We work hard. We compete hard. We play hard. Apply now to join us!

　　Job LocationsUS-AL-Huntsville

　　ID 2024-4157

　　Business Unit ITCE

　　Type Full-Time

　　Clearance Secret Required