Linux Systems Administrator

Job title: Linux Systems Administrator

Company: General Dynamics

Job description: Type of Requisition: RegularClearance Level Must Currently Possess: NoneClearance Level Must Be Able to Obtain: NonePublic Trust/Other Required: NoneJob Family: Systems AdministrationJob Qualifications:Skills: Active Directory (AD), Apache HTTP Server, Linux, Linux Command, Ubuntu Linux ServerCertifications: NoneExperience: 3 + years of related experienceUS Citizenship Required: NoJob Description:Primary Responsibilities:Daily security related administration of approximately 200 Linux serversWork with other Systems Administrators on a daily basis in team settingWork with clients on security issues for Linux serversUsing vulnerability reports for patching of systemsManage daily work through ticketing systemPatching and hardening of Linux serversLinux Email administrationLinux backup maintenanceLinux DNS administrationSecondary Responsibilities:Networking administration within the Linux infrastructurePlanning and implementation of Linux server rebuildsHigh Performance Computing systems administrationLinux certificate maintenanceAnsible system automationRequired Qualifications:BA/BS (or equivalent experience), 3+ years of experienceAdvanced Level Linux command line interface/CLI experienceIntermediate Level Shell Scripting (Bash, KSH, ZSH, FISH, etc.)Intermediate Level Webserver configuration experience (Apache/NGINX)Intermediate Level Linux Networking experience (tcpdump, ss, ip, nmap, nmcli, etc.)Intermediate Level Linux Firewall experience (iptables, firewalld, or nftables)Intermediate Level Linux Virtualization experience (KVM/QEMU, OpenVZ, etc.)Intermediate Level Linux Documentation experienceIntermediate Level Linux Database experience (MySQL, MariaDB, PostgreSQL, Influx, etc.)Preferred Qualifications/Experience:Security+ certification, equivalent, or ability to attain within 6 monthsNessus (or similar SW) Vulnerability ScanningDovecot IMAPPostfix SMTPHAProxy/Nginx load balancingAnsible automationWindows Server/Client 2008+ ExperienceMacOS Client MaintenanceServer/Computer Hardware MaintenanceWindows/Linux Software MaintenancePythonPerlRubyLuaTclPHPMore DetailsIndependently provides advance level technical interpretation and solutions in the management of networks, software, hardware, configurations, and architectures.Troubleshoots system hardware and software specific issues that are moderate to high complexity in scope.Trains end users on the proper use of hardware and software.Performs advance software installations and upgrades to operating systems and layered software packages.Monitors and tunes the system to achieve optimum performance levels.Ensures workstation/server data integrity by implementing standard software and hardware solutions.Independently ensures data/media recoverability by following a schedule of system backups and database archive operations.Conducts advance hardware and software audits of workstations and servers to ensure compliance with established standards, policies, and configuration guidelines.Ensures that performance and security of computers meet the needs of network users.Applies practical knowledge of job area typically obtained through advanced education and work experience. May provide guidance to less-experienced personnel.Evaluates existing systems and assists with planning long-term strategies.May coach and review the work of less-experienced professionals.The likely salary range for this position is $83,429 – $96,600. This is not, however, a guarantee of compensation or salary. Rather, salary will be set based on experience, geographic location and possibly contractual requirements and could fall outside of this range.Scheduled Weekly Hours: 40Travel Required: Less than 10%Telecommuting Options: HybridWork Location: USA AL HuntsvilleAdditional Work Locations:Total Rewards at GDIT: 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. We regularly review our Total Rewards package to ensure our offerings are competitive and reflect what our employees have told us they value most.We are GDIT. A global technology and professional services company that delivers consulting, technology and mission services to every major agency across the U.S. government, defense and intelligence community. Our 30,000 experts extract the power of technology to create immediate value and deliver solutions at the edge of innovation. We operate across 50 countries worldwide, offering leading capabilities in digital modernization, AI/ML, Cloud, Cyber and application development. Together with our clients, we strive to create a safer, smarter world by harnessing the power of deep expertise and advanced technology.Join our Talent Community to stay up to date on our career opportunities and events at.Equal Opportunity Employer / Individuals with Disabilities / Protected Veterans

Expected salary: $83429 – 96600 per year

Location: Huntsville, AL

Job date: Sat, 05 Jul 2025 06:48:04 GMT

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