Senior System Administrator
Senior System Administrator
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$ 89700 - 162150
1 Vacancy
Job Description
Are you an experienced Senior System Administrator looking for your next challenge Your search ends here! We have an exciting opportunity for you to support several Programs in the Orlando Area. Your expertise will guide the definition implementation and delivery of capability focused on Cyber Training systems and Synthetic Environment Generation. Youll have the chance to work with a broad range of systems providing overall support for various critical systems. Join our team and make a difference in the world of training systems and cybersecurity.
Are you ready to join a team dedicated to a mission Begin your journey of a flourishing and meaningful career share your resume with us today!
Primary Responsibilities:
- Support the design implementation operation and maintenance of complex information systems including physical facility infrastructure virtual devices containerized devices and physical devices in traditional and hyper-converged architectures.
- Responsible for high-level day-to-day operational maintenance support and upgrades for complex operating systems workstations and servers.
- Coordinates directs and performs complex 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.
- Continually monitors and tunes multiple systems to achieve optimum performance levels.
- Ensures workstation/server data integrity by evaluating implementing and managing appropriate software and hardware solutions of varying complexities.
- Ensures data/media recoverability by developing and implementing a schedule of system backups and database archive operations.
- Plans and implements the modernization of servers.
- Develops implements and promotes standard operating procedures and schedules.
- Conducts hardware and software audits of workstations and servers to ensure compliance with established standards policies and configuration guidelines.
- Support the design documentation and implementation of enhancements to the system ensuring that application software cybersecurity and operational use cases are fully accounted for.
- Ensure maximum system uptime and rapidly respond to hardware and software failures.
- Quickly diagnoses operational performance or other issues and leads the implementation of resolutions.
- Proven experience in network administration and account management.
- Strong understanding of user account management processes and access control protocols.
- Experience with Active Directory LDAP or similar directory services.
- Familiarity with network security protocols and best practices.
- Knowledge of basic networking concepts (e.g. TCP/IP DNS DHCP).
- Familiarity with multi-factor authentication (MFA) and password management tools.
- Ability to work independently and as part of a team.
Basic Qualifications:
- Bachelors degree and 8 years of IT-related experience or Masters Degree with 6 years or prior relevant experience. Additional experience maybe considered in lieu of a degree.
- US Citizen with the ability to obtain a DoD Secret security clearance.
- CompTIA Security CE or higher level 8570 certification.
- Experience with Windows 11 Windows Serverand 2025 Microsoft SQL Server Microsoft Windows Server Update Servers (WSUS) Splunk Security Technical implementation Guides (STIGs) PowerShell and Group Policies.
- Experience with Linux AWS and Azure.
- Experience managing and maintaining PC server laptop and printer hardware.
- Experience maintaining and configuring local area networks (LAN) and wide area networks (WAN)
- Experience with Enterprise Virtualization (VMWare Proxmox)
- Self-starter that is able to work independently while possessing the communication skills to work effectively with engineering teams customers and senior leadership.
- Experience with Identity and Access Management (IAM) solutions.
- Strong understanding of regulatory frameworks (e.g. HIPAA GDPR NIST) affecting account management practices.
Preferred Qualifications:
- Experience in Analysis of Alternatives (AoA) for new technologies.
- Experience with DNS/DHCP IPAM (BlueCat) load balancers (F5) Authentication Systems (Clearpass).
- Familiar with managing Cisco Layer 2 and 3 networking devices including Cisco ISR routers Cisco Catalyst 9k switches and Dell OS10 switches.
- Familiar with managing and configuring Dell iDRAC VMWare ESXI and VMWare VCenter.
- Familiar with configuring network devices utilizing Python and Ansible.
- Familiar with implementing DOD STIGs.
- Experience with enterprise network management tools such as HPNA SolarWinds Cisco Smartnet LiveAction Splunk or similar technologies with WAN/SDWAN/SDN system analysis and design documents.
- Knowledge of ITIL Change & Configuration Management.
- Knowledge of IPv6 addressing and routing protocols.
- IAT Level III Certified
Original Posting:
May 28 2025For U.S. Positions: While subject to change based on business needs Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Pay Range:
Pay Range $89700.00 - $162150.00The Leidos pay range for this job level is a general guideline onlyand not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job education experience knowledge skills and abilities as well as internal equity alignment with market data applicable bargaining agreement (if any) or other law.
Required Experience:
Senior IC
Employment Type
Full-Time
