Linux Administrator

San Antonio, Texas Top Secret w/ SCI On-site only Information Technology Overview GovCIO is currently seeking a Senior Linux Administrator to support the installation, configuration, maintenance, and optimization of Linux based systems in support of 616th Operations Center (616 OC) operations. This position will be located in San Antonio, TX and will be an onsite position. Responsibilities Manages and maintains Linux-based systems and servers. Primary duties include installing, configuring, updating, and hardening Linux operations systems and software applications. Ensures system security by implementing appropriate measures, such as firewalls and intrusion detection systems, and by regularly applying security patches. The Linux administrator also works closely with the VMWare VCenter administrator and the VMWare Horizon Administrator to support Linux platforms that host critical VMWare applications and services. Additionally, the Linux administrator creates Ansible scripts that automate routine tasks to improve efficiency and reduce manual workload. Installs, configures, updates, and hardens Linux operations systems and software. Collaborates with other system administrators to ensure system security by implementing appropriate measures, such as firewall and intrusion detection systems Regularly applies security patches Maintains system documentation, including configurations, procedures, and troubleshooting steps Stays up to date with the latest Linux developments, vulnerabilities, and emerging technologies Assists in planning and executing infrastructure projects, such as server migrations and upgrades Qualifications High School with 9+ years (or commensurate experience) Required Skills and Experience Clearance Required: TS/SCI 9 years of experience in IT support or a related role Interpersonal and professional; oral and written communications skills required. Ability to work independently, manage priorities, and provide excellent customer support Ability to manage multiple tasks and priorities in a fast-paced environment DoD 8140 certification Information Assurance Technical (IAT) Level II (CompTIA Security+ or equivalent) Strong experience with enterprise Linux distributions (RHEL preferred) Experience with configuration management tools (Ansible preferred) Solid understanding of networking concepts (DNS, TCP/IP, firewalls) Experience with system monitoring tools Strong knowledge of security best practices and system hardening Strong knowledge of compliance frameworks (STIGs, NIST, etc.) preferably in government environments Preferred Skills and Experience Deploy, configure, and maintain Red Hat Satellite server infrastructure Perform automate patching of Linux servers (RHEL, CentOS, Rocky) using Satellite and Hammer CLI Build and deploy new RHEL hosts using PXE, DHCP, and TFTP via Satellite Handle Red Hat Subscriptions and Manifests, ensuring compliance across all connected systems Expert-level ability to operate without a GUI, using command-line tools for daily maintenance, troubleshooting, and patching Strong scripting skills, particularly in Bash or Python, to automate recurring tasks, patching, and system updates Ability to manage storage (partitions, logical volumes) and perform system backups/disaster recovery Hardening servers (e.g., STIGs compliance), managing firewalls, and managing user access Monitoring system health (CPU, memory, disk usage) and tuning parameters to improve performance Experience configuring .repo files to manage remote, local, or satellite repositories 4-6 years of experience with Linux operating systems (e.g., Ubuntu, CentOS, Red Hat etc.) 3-7+ years of experience with VMware Horizon View, vCenter, and vSphere, specializing in deploying and managing Linux based virtual desktops Deep knowledge of VMware Horizon 7.x/8.x, vSphere, ESXi, and VDI components Experience in creating, updating, and managing Linux golden images, application layering and user profile management (e.g. UEM) Strong understanding of networking concepts (subnets, VLANs, firewalls) and security protocols, including Active Directory integration 2-5+ years of experience managing production-level Elastic clusters and expertise in optimizing cluster performance, sharding, and security. Candidates must know how to deploy, configure, and troubleshoot Elasticsearch, Kibana, Logstash, and Beats using automation tools like Ansible. Red Hat Certified Engineer (RHCE) certification preferred Red Hat Certified System Administrator (RHCSA) certification preferred VMware Certified Professional (VCP-DTM or VCP-DCV) preferred Posted Salary Range USD $125,000.00 - USD $135,000.00 /Yr. Company Overview GovCIO is a team of transformers--people who are passionate about transforming government IT. Every day, we make a positive impact by delivering innovative IT services and solutions that improve how government agencies operate and serve our citizens. But we can't do it alone. We need great people to help us do great things - for our customers, our culture, and our ability to attract other great people. We are changing the face of government IT and building a workforce that fuels this mission. Are you ready to be a transformer? What You Can Expect Interview & Hiring Process If you are selected to move forward through the process, here's what you can expect: During the Interview Process Virtual video interview conducted via video with the hiring manager and/or team Camera must be on A valid photo ID must be presented during each interview During the Hiring Process Enhanced Biometrics ID verification screening Background check, to include: Criminal history (past 7 years) Verification of your highest level of education Verification of your employment history (past 7 years), based on information provided in your application Employee Perks At GovCIO, we consistently hear that meaningful work and a collaborative team environment are two of the top reasons our employees enjoy working here. In addition, our employees have access to a range of perks and benefits to support their personal and professional well-being, beyond the standard company offered health benefits, including: Employee Assistance Program (EAP) Corporate Discounts Learning & Development platform, to include certification preparation content Training, Education and Certification Assistance* Referral Bonus Program Internal Mobility Program Pet Insurance Flexible Work Environment *Available to full-time employees Our employees' unique talents and contributions are the driving force behind our success in supporting our customers, which ultimately fuels the success of our company. Join us and be a part of a culture that invests in its people and prioritizes continuous enhancement of the employee experience. We are an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, disability, or status as a protected veteran. EOE, including disability/vets. Posted Pay Range The posted pay range, if referenced, reflects the range expected for this position at the commencement of employment, however, base pay offered may vary depending on multiple individualized factors, including market location, job-related knowledge, skills, education, experience, and internal equity. The total compensation package for this position may also include other compensation elements, to be discussed during the hiring process. If hired, employee will be in an “at-will position” and the GovCIO reserves the right to modify base salary (as well as any other discretionary payment or compensation program) at any time, including for reasons related to individual performance, GovCIO or individual department/team performance, and market factors. #J-18808-Ljbffr GovCIO