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Job #: TR-657869
Category: Systems Administration
Schedule (FT/PT): Full time
Travel Required: No
Shift: Day
Potential for Telework: No
Clearance Required: Top Secret/SCI with Polygraph
Referral Eligibility: Eligible
Group: Advanced Solutions

Job Description:
Leidos has an exciting opportunity for Systems Administrator to join our team in San Antonio, TX.

Job Summary
This individual will be responsible for managing system administration support activities for a large complex network environment with geographically distributed systems. The selected candidate must be comfortable working in a fast-paced environment with multiple air-gapped systems which have individual domains and supporting infrastructure and managing a complex IT environment with multiple logins and associated supporting storage and network infrastructure. Position requires an energetic, focused, and driven candidate who can adapt well to a changing environment. Ideally, the selected candidate will possess networking skills or must have the ability to learn and complete various network-centric undertakings.

Primary Roles and Responsibilities
The selected individual will be responsible for installing and administrating systems, applications, and processes and ensuring that all issues are identified and resolved in a timely manner. He/she will be responsible for ensuring server and desktop configurations are optimized and running continuously and efficiently, and will perform security management and application performance optimization functions. The environment includes Linux and Microsoft-based servers and workstations. Additional responsibilities include:• Maintaining complex server enclaves, including establishing system scanning procedures, vulnerability management assessments, and active directory configurations. • Planning and implementing IT enhancements and leading IT optimization projects. • Identifying and correcting hardware and software issues.• Responding to system administration, operations, and maintenance problems and developing re-work solutions.• Creating and maintaining documentation of complex server/network environments to ensure that clear, concise and accurate information is readily available for incident resolution.• Participate in working groups that provide technical direction for system administrators and Engineering groups.• Communicating with users and external support personnel regarding system outages and upgrades, and conferring with upper management regarding recommended resolution options.

External Referral Eligible
Basic Qualifications
To be considered for this position, you must minimally meet the knowledge, skills, and abilities listed below:• Bachelor's Degree and 5 years of related experience. 5 additional years of experience can be substituted for Bachelor's Degree.• In-depth Understanding of Red Hat 6.5 and Red Hat 7.• At least 4 years of experience specific to Unix/Linux.• Experience providing Tier 1 (Help Desk) and Tier 2 (Escalation) problem identification, diagnosis, and resolution of problems• Experience providing support to IT systems including day-to-day operations, monitoring, and problem resolution for client/server/storage/network devices, mobile devices, etc.• Familiarity with Windows Server 2008R2, Server 2012R2, and Server 2016 required.• Experience providing support for the escalation and communication of status to management and customers.• Experience optimizing system operations and resources utilization, and performing system capacity analysis and planning.• Experience configuring and managing UNIX and Windows operating systems and installing/loading operating systems software.• Experience maintaining, troubleshooting, and configuring network components and implementing operating systems enhancements to improve reliability and performance.• Must have a solid understanding of information security principles and practices.• Must have experience with or familiarity with software and security architectures.• Must have experience in or familiarity with the following systems: Windows/Linux operating systems, VMware, and Networking: Switches, Routers, LANs, & cabling.• Candidates must possess strong analytic abilities and must be meticulous and careful in their work.• Must be committed to adopting and adhering to best practices including compliance with maintenance windows and change control procedures. • Must be an independent thinker capable of working proficiently independently as well as within a team.

Preferred Qualifications
Candidates with these desired skills will be given preferential consideration:• Master's Degree in a related technical field.• Preferred certifications Security+, CCNA Security, RHCE, CCNA, Network +.• Experience documenting and providing information for security accreditation and certification.• Experience with Network Security Technologies (e.g. Multiple Domain, PKI, SSP, and Vulnerability Assessment).• Understanding of advanced security protocols and standards.• Experience with High Assurance platforms.• Experience with application integration testing methods.• Experience with software deployment methods for applications, patches, and operating systems.• Experience with OS and Application Hardening to include DISA, Best Practices, and High Assurance environments.• Experience with both Client and Server virtualization environments.

External Referral Bonus:

Potential for Telework:

Clearance Level Required:
Top Secret/SCI with Polygraph


Scheduled Weekly Hours:


Requisition Category:

Job Family:
Systems Administration


Advanced Solutions
Leidos is a Fortune 500® information technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, homeland security, civil, and health markets. The company’s 31,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $10.17 billion for the fiscal year ended December 29, 2017. (NYSE: LDOS) All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability or veteran status.

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