Mid​/Sr System Administrator Security Clearance

Position: Mid/Sr System Administrator with Security Clearance
Location: Annapolis Junction

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- Description Mid/Sr System Administrator 15k Sign On Bonus Leidos has a new and exciting opportunity for a Mid/Sr System Administrator in our Intel Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront in Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management. At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401K with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.

Join us and make a difference in National Security!

Job Summary:

The selected individual will provide system administration support for a large, complex network environment with geographically distributed systems. The role supports system engineering requests by delivering solutions that meet operational needs, and by upgrading, sustaining, and maintaining existing capabilities. The candidate must be comfortable working in a fast-paced environment that includes multiple air-gapped systems, each with its own domain and supporting infrastructure.

The position also requires maintaining a complex IT environment involving multiple users, as well as associated storage and network infrastructure. This role requires an energetic, focused, and driven individual who can adapt quickly to changing priorities. The candidate must demonstrate strong system administration and troubleshooting skills and work effectively with the team to execute a variety of network-centric system administration tasks.

Responsibilities Include The selected individual will be responsible for installing applications, administrating systems and processes, and ensuring issues are identified and resolved in a timely manner. She/he will be responsible for ensuring server and desktop configurations are optimized and running continuously and efficiently. The selected individual will also perform security management and application performance optimization functions. Additional responsibilities may include:
* Administration/sustainment of a system that provides a web-based application for storing, sharing, and distributing information.

* Creating and maintaining complex server enclaves, including analyzing system scanning reports, patching, cert renewals, vulnerability management assessments, and active directory configurations.

* 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.

* Communicating with users and external support personnel regarding system outages and upgrades, and conferring with upper management regarding recommended resolution options. Basic Qualifications
* Bachelor’s Degree in System Engineering, Computer Science, Information Systems, Engineering Science, Engineering Management, or a related technical field and at least 8 years of relevant experience. Additional experience may be substituted for a degree.

* Must have ​experience as a systems administrator providing direct support to end users and technical staff (developers, testers, engineers, etc.).

* Must be proficient with Windows Server 2012R2, 2016, 2019, and Active Directory.

* Must have experience with Linux and Microsoft-based servers and workstations.

* Must have experience with Windows 2019.

* Must have experience with OS and Application Hardening to include DISA, Best Practices, and High Assurance environments.

* Must have experience with software/hardware deployment, patches, and operating systems, and basic system backup and restore functions.

* Must have experience with and/or be familiar with SALT, Ansible, Splunk, Puppet, Solar Winds, Nessus.

* Must have experience with and/or have knowledge of Red Hat 7 and 8, and VMWare.

* Must have experience with Apache Tomcat, IIS, and/or SQL server database.

* Must have experience documenting and providing information for security accreditation and certification.

* Must have a solid understanding of advanced security protocols and standards.

* Must have experience with Network Security Technologies (e.g. Multiple Domain, PKI, SSP, and Vulnerability Assessment).

* Must have experience with High Assurance platforms and application integration testing methods.

* Must have experience with both Client and Server virtualization environments.

* Must have experience with installation, configuration, troubleshooting, and reimaging hardware.

* Must have experience with disk arrays, Power Shell and PowerCLI, KVMs,

* Must have knowledge of PKI systems which use HSMs to validate key and NTP for synchronization.

* Must have experience optimizing system operations.

* Must have a solid…