Senior Systems Administrator

2 days ago


London, Kentucky, United States Johns Hopkins Applied Physics Laboratory (APL) Full time
Job Description

We are seeking a highly skilled Senior Systems Administrator to join our team at the Johns Hopkins Applied Physics Laboratory (APL). As a key member of our IT team, you will be responsible for providing unparalleled system administration for computer systems in SAR and SCI facilities.

Key Responsibilities
  • Provide system administration for computer systems in SAR and SCI facilities, including OS's, Servers, Virtualization, HPC, and NetAPP.
  • Configure, install, and maintain computer systems in stand-alone or networked environments.
  • Implement complex solutions for LAN and WAN environments.
  • Maintain physical and virtualized solutions ensuring efficient resource allocation, high availability, security compliance, and seamless scalability to meet organizational needs.
  • Manage user accounts, including resetting passwords and conducting annual computer recertification.
  • Diagnose and resolve intricate software and hardware issues promptly.
  • Develop and implement business continuity and disaster recovery protocols, conduct testing to validate their effectiveness, and modify procedures as necessary.
  • Maintain an up-to-date understanding of the latest threats, vulnerabilities, mitigation strategies, and industry best practices.
Requirements
  • Bachelor's degree in Computer Science, Information Technology, or related field or 6 years of equivalent professional experience.
  • Configured complex technology stacks and experience in complex situations.
  • Experience with PKI, RSA, Windows certificate services or Linux Certificate Management.
  • Hands-on experience in configuring, fixing, administering/maintaining classified computer networks.
  • Built and maintained Active Directory environments or Linux user access management experience.
  • Configured Operating Systems, applications, and user settings through Group Policy.
  • Experience installing, maintaining and operating security tools (ACAS, Splunk, Ivanti, McAfee, etc.).
  • Applied Security Technical Implementation Guide Rules (STIGs) to operating systems, technologies, and applications.
  • Experience troubleshooting operating systems and applications.
  • Experience with WSUS or a patch deployment system.
  • Exceptional organizational and communication skills with the ability to interact effectively with managers and technical staff.
  • Current SSBI required.
  • Current DoD 8570 certification (Security+, SSCP, or CISSP-ISSE).
  • Have a Top-Secret level security clearance by your start date and can ultimately obtain TS/SCI level clearance.
Preferred Qualifications
  • Master's degree in Computer Science, Information Technology, or related field or 12 years of equivalent professional experience.
  • Demonstrated expertise in advanced systems administration and networking, including VLANs, VPNs, and load balancing.
  • Extensive experience with automation and scripting languages (e.g., Python, PowerShell, Ansible).
  • Proficiency with containerization technologies (e.g., Docker, Kubernetes).
  • Experience with advanced configuration management tools.
  • In-depth knowledge of enterprise-level systems and applications.
  • Proven experience in developing and implementing automation strategies.
  • Strong project management skills, including leading IT projects.
  • Experience with enterprise security frameworks and protocols.
  • Hands-on experience with business continuity and disaster recovery planning and implementation.
  • Up-to-date knowledge of emerging technologies and industry trends.


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