Tyto Athene, LLC
Senior Systems Administrator (Linux)
Tyto Athene, LLC - Miami, Florida, us, 33222
Work at Tyto Athene, LLC
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Overview
Description
Tyto Athene is searching for a
Senior Systems Administrator (Linux)
to support U.S. Southern Command on the SCITES II Contract in Doral, Florida. The Senior Linux Administrator leads the design, implementation, and maintenance of complex Linux-based to support USSOUTHCOM's mission-critical IT infrastructure. This role ensures the security, stability, and performance of Linux infrastructure, provides technical leadership, and drives automation and scripting initiatives. The Senior Administrator is responsible for architecting system solutions, mentoring junior team members, and enforcing DoD cybersecurity standards and STIG compliance across all Linux systems. Responsibilities: Deploy and maintain Red Hat Enterprise Linux (RHEL), Ubuntu, and other Linux distributions, ensuring security, scalability, and high availability
Administer system services, user access controls, and automation tools such as Ansible and Bash scripting to enhance operational efficiency
Monitor system performance, conducts diagnostics, and resolves complex issues to maintain reliability and compliance with DoD security policies
Lead the design, implementation, and optimization of secure and scalable Linux environments.
Automate system deployment, monitoring, and management tasks using tools such as Ansible and Bash/Python
Implement patch management, system hardening, and cybersecurity measures to protect Linux environments from emerging threats
Execute lifecycle management of Linux systems, aligning operations with risk mitigation, cybersecurity, and continuity of operations (COOP) strategies
Troubleshoot complex system and network issues in collaboration with cross-functional teams
Mentor junior and mid-level administrators and lead technical reviews and documentation.
Qualifications Required: Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field
10+ years of hands-on experience in Linux systems administration in enterprise or DoD environments
Proven expertise with Red Hat Enterprise Linux or similar distributions
Strong experience in: Shell scripting (e.g., Bash, Python), Configuration management tools such as Ansible, Puppet, or Chef, PKI, DNS, DHCP, and networked storage systems, STIG implementation, RMF compliance, and DISA cyber hygiene practices
Experience administering in virtualized environments
Ability to lead and execute major system upgrades, patching cycles, and secure configuration baselines
Desired: Master's degree in Information Systems, Cybersecurity, or a related technical discipline
Red Hat Certified Engineer (RHCE)
Experience with Zero Trust architectures and tools like CyberArk and Thunderdome
Familiarity with supporting hybrid environments
Prior experience leading cross-functional technical teams and mentoring junior sysadmins
ITIL v4 Foundation or higher
Microsoft OS CE, VMware VCP/VCAP, or equivalent CE certifications (as applicable)
Clearance: TS/SCI clearance required
Certification: DoD 8570 Baseline & CE certifications are required for all positions and may vary slightly depending on the skillset required to perform the role
CompTIA Security+ CE
CompTIA Linux+ or Red Hat Certified System Administrator
CISSP or equivalent
About Tyto Athene Compensation: Compensation is unique to each candidate and relative to the skills and experience they bring to the position. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range.
Benefits: Highlights of our benefits include Health/Dental/Vision, 401(k) match, Flexible Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and maternity/paternity leave.
Tyto Athene is a trusted leader in IT services and solutions, delivering mission-focused digital transformation that drives measurable success. Our expertise spans four core technology domains-Network Modernization, Hybrid Cloud, Cybersecurity, and Enterprise IT-empowering our clients with cutting-edge solutions tailored to their evolving needs. With over 50 years of experience, Tyto Athene proudly support Defense, Intelligence, Space, National Security, Civilian, Health, and Public Safety clients across the United States and worldwide. At Tyto Athene, we believe that success starts with our people. We foster a collaborative, innovative, and mission-driven environment where every team member plays a critical role in shaping the future of technology. Are you ready to join #TeamTyto? Tyto Athene, LLC is an Equal Opportunity Employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, [sexual orientation, gender identity,] national origin, disability, status as a protected veteran, or any characteristic protected by applicable law. Submit a Referral (https://careers-gotyto.icims.com/jobs/1097/senior-systems-administrator-%28linux%29/job?mode=apply&apply=yes&in_iframe=1&hashed=-1834326889) Location
US-FL-Doral ID
2025-1097 Category
Information Technology Position Type
Full-Time
Senior Systems Administrator (Linux)
to support U.S. Southern Command on the SCITES II Contract in Doral, Florida. The Senior Linux Administrator leads the design, implementation, and maintenance of complex Linux-based to support USSOUTHCOM's mission-critical IT infrastructure. This role ensures the security, stability, and performance of Linux infrastructure, provides technical leadership, and drives automation and scripting initiatives. The Senior Administrator is responsible for architecting system solutions, mentoring junior team members, and enforcing DoD cybersecurity standards and STIG compliance across all Linux systems. Responsibilities: Deploy and maintain Red Hat Enterprise Linux (RHEL), Ubuntu, and other Linux distributions, ensuring security, scalability, and high availability
Administer system services, user access controls, and automation tools such as Ansible and Bash scripting to enhance operational efficiency
Monitor system performance, conducts diagnostics, and resolves complex issues to maintain reliability and compliance with DoD security policies
Lead the design, implementation, and optimization of secure and scalable Linux environments.
Automate system deployment, monitoring, and management tasks using tools such as Ansible and Bash/Python
Implement patch management, system hardening, and cybersecurity measures to protect Linux environments from emerging threats
Execute lifecycle management of Linux systems, aligning operations with risk mitigation, cybersecurity, and continuity of operations (COOP) strategies
Troubleshoot complex system and network issues in collaboration with cross-functional teams
Mentor junior and mid-level administrators and lead technical reviews and documentation.
Qualifications Required: Bachelor's degree in Computer Science, Information Technology, Cybersecurity, or a related field
10+ years of hands-on experience in Linux systems administration in enterprise or DoD environments
Proven expertise with Red Hat Enterprise Linux or similar distributions
Strong experience in: Shell scripting (e.g., Bash, Python), Configuration management tools such as Ansible, Puppet, or Chef, PKI, DNS, DHCP, and networked storage systems, STIG implementation, RMF compliance, and DISA cyber hygiene practices
Experience administering in virtualized environments
Ability to lead and execute major system upgrades, patching cycles, and secure configuration baselines
Desired: Master's degree in Information Systems, Cybersecurity, or a related technical discipline
Red Hat Certified Engineer (RHCE)
Experience with Zero Trust architectures and tools like CyberArk and Thunderdome
Familiarity with supporting hybrid environments
Prior experience leading cross-functional technical teams and mentoring junior sysadmins
ITIL v4 Foundation or higher
Microsoft OS CE, VMware VCP/VCAP, or equivalent CE certifications (as applicable)
Clearance: TS/SCI clearance required
Certification: DoD 8570 Baseline & CE certifications are required for all positions and may vary slightly depending on the skillset required to perform the role
CompTIA Security+ CE
CompTIA Linux+ or Red Hat Certified System Administrator
CISSP or equivalent
About Tyto Athene Compensation: Compensation is unique to each candidate and relative to the skills and experience they bring to the position. This does not guarantee a specific salary as compensation is based upon multiple factors such as education, experience, certifications, and other requirements, and may fall outside of the above-stated range.
Benefits: Highlights of our benefits include Health/Dental/Vision, 401(k) match, Flexible Time Off, STD/LTD/Life Insurance, Referral Bonuses, professional development reimbursement, and maternity/paternity leave.
Tyto Athene is a trusted leader in IT services and solutions, delivering mission-focused digital transformation that drives measurable success. Our expertise spans four core technology domains-Network Modernization, Hybrid Cloud, Cybersecurity, and Enterprise IT-empowering our clients with cutting-edge solutions tailored to their evolving needs. With over 50 years of experience, Tyto Athene proudly support Defense, Intelligence, Space, National Security, Civilian, Health, and Public Safety clients across the United States and worldwide. At Tyto Athene, we believe that success starts with our people. We foster a collaborative, innovative, and mission-driven environment where every team member plays a critical role in shaping the future of technology. Are you ready to join #TeamTyto? Tyto Athene, LLC is an Equal Opportunity Employer; all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, [sexual orientation, gender identity,] national origin, disability, status as a protected veteran, or any characteristic protected by applicable law. Submit a Referral (https://careers-gotyto.icims.com/jobs/1097/senior-systems-administrator-%28linux%29/job?mode=apply&apply=yes&in_iframe=1&hashed=-1834326889) Location
US-FL-Doral ID
2025-1097 Category
Information Technology Position Type
Full-Time