Sr. Windows Systems Administrator TSSCI Poly

Senior Windows System Administrator; requires TS/SCI Polygraph up front.

Leidos has a new and exciting opportunity for a Senior Windows System Administrator in our Intel Sectors 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
Leidos is seeking a Senior Windows System Administrator to join a high-performing Agile team operating within the Scaled Agile Framework (SAFe) in support of a complex fast-paced this role the selected candidate will provide daily systems administration and operations and maintenance support across multiple systems with a broad geographic footprint. Key responsibilities include responding to system engineering requests that support operational requirements as well as engineering deploying and sustaining new capabilities within the environment.

Primary Responsibilities
The selected candidate will be responsible for monitoring test infrastructure systems applications and processes to ensure issues are identified tracked and resolved in a timely manner. This role also includes supporting server router and firewall configuration as well as performing security management and application performance optimization activities in an environment made up of VMware server hosts Windows and Linux guest servers and Virtual Desktop Infrastructure (VDI). Additional responsibilities include:
Maintaining multiple virtual server clusters and addressing system scan findings vulnerability management patching and Active Directory configuration issues.
Using enterprise monitoring tools to detect assess and respond to alerts.
Providing technical support to partner workgroups on overlapping efforts while maintaining strong interdepartmental collaboration.
Managing Information Assurance Vulnerability Alerts (IAVAs) and system security scanning in accordance with applicable System Security Plans ensuring vulnerabilities are identified and remediated quickly and accurately.
Initiating IAVA responses and system security scans completing remediation actions deploying patches and security updates to designated sites and executing monthly security scans.
Identifying and resolving hardware and software problems.
Proactively notifying customers when test infrastructure delays may affect their ability to complete business functions on time and communicating system outages and publishing status updates to users as needed.
Authoring and maintaining clear accurate and concise documentation.
Responding to calls and emails in a timely and professional manner.
Planning and implementing IT enhancements and supporting project-related work.
Responding to system administration operations and maintenance issues on an on-call basis when required.

Basic Qualifications
Bachelors degree in Computer Science Information Technology or a related technical field and 12 years of prior relevant experience. Additional experience may be substituted for a degree.
Must have at least 7 years of Windows administration experience.
Must have at least 7 years of experience in information security management with demonstrated expertise in security governance risk management compliance and operational security functions.
Must have at least 5 years of experience with each of the following:
o Implementing and managing Windows Active Directory and DNS environments
o Creating and managing Group Policy Objects (GPOs)
o Microsoft SCCM
o Microsoft Exchange administration and Exchange Management Shell
Must have experience with Windows Command Line PowerShell and PowerShell scripting.
Strong understanding of advanced security protocols standards and information security principles is a must.
Experience with software and security architectures.
Hands-on experience with IAVA management.
Hands-on experience supporting users optimizing system operations and monitoring enterprise IT systems.
Commitment to best practices including compliance with maintenance windows and change control procedures.
Familiarity with Windows and Linux operating systems VMware and networking technologies including switches routers LANs and cabling.
Must have strong analytical skills attention to detail and the ability to work effectively both independently and as part of a team.

Clearance Required: Must have TS/SCI with Polygraph.

Preferred Qualifications
Experience documenting and supporting security accreditation and certification activities.
Experience with network security technologies including multi-domain solutions PKI SSPs and vulnerability assessments.
Experience with data center design and configuration including rack-and-stack power planning and equipment placement.
Experience with VMware.
Experience using automation tools such as Ansible or SaltStack.
Experience serving in a System Administrator role supporting software configuration management and development environments.

At Leidos the opportunities are boundless. We challenge our staff with interesting assignments that allow them to thrive professionally and personally. For us helping you grow your career is good business. We look forward to learning more about you apply today.

youre looking for comfort keep scrolling. At Leidos we outthink outbuild and outpace the status quo because the mission demands it. Were not hiring followers. Were recruiting the ones who disrupt provoke and refuse to fail. Step 10 is ancient history. Were already at step 30 and moving faster than anyone else dares.

The 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.