Senior Windows System Administrator - Infrastructure/Touch Labor

Description

Leidos is a FORTUNE 500 company bringing a mix of innovative technology and sector expertise to customers in the national security, engineering, and the health industries. Leidos is seeking a Senior Windows System Administrator for a position as part of a team supporting the Defense Information Security Agency (DISA) in Columbus, OH. This is an onsite position, no full-time telework allowed.

Primary Responsibilities

Provide on-site touch labor in a data center environment.

Build, install, configure, maintain,troubleshootand repaircomputer workstations,serversand IT related peripherals (printers, scanners, etc.)

Manageand maintainboth physical and virtual Windows infrastructuresincluding domain controllers, domain name servers, file print servers,share drives, etc.

Performvarious system administration tasks including Active Directory management and the creation and maintenance of Group Policies, Certificate Revocation Lists (CRL) and user / service accounts

Validate current security posture andperform system configuration changes, as required or as directedby higher authority, to improve enterprise security

Leverage Group Policy Objects,Security Content Automation Protocol (SCAP)tooland Security Technical Information Guides (STIGs) to maintain required infrastructure security levels and system hardening

Install and configure software, firmware, upgradesand security updates / patches to maintain and secure Windows 10 / 11 and Server 2019 / 2022 operating systems and associated hardware

Utilizesystem error logs,user-reported errorsanddiagnosticsscansto troubleshootand repairhardware and softwareproblems

Assistinplanning and implementing newhardware / softwareupgrades of IT infrastructure

Provide supportto engineersfor architecture design analysis for technology refresh planning and implementation

Performs periodic backup and restoration of servers.

Support temporary, Service Response, continuity of operations support as needed.

Monitors license and PKI Certificate status, on the systems and coordinates the renewal and installation, as needed.

Conducts technical analysis and provides documentation (Standard Operating Procedures (SOPs), troubleshooting and monitoring, technical reports, etc.) for root cause analysis, technical assessment and process improvement initiatives.

Basic Qualifications

Bachelor's degree in an Information Technology (IT) technical field and 5 years of relevant IT experience.

Must have an active Secret clearance and pass a drug test.

Must have a DoD 8570 IAT Level I approved certification (CompTIA Security )

Bachelor's degree and five years of experience in the development, implementation and production support of a Microsoft Windows infrastructure / environment.

Understanding of server and datacenter infrastructure / environment.

Understanding of network services as related to Microsoft Windows environment (e.g. DNS, Firewalls, Routers, Ports and Protocols, etc.)

Cybersecurity knowledge and Windows server 2019 and 2022 administration experience including Active Directory, DNS and Group Policy, the deployment of Windows workstations / serversand the migration end-userdata

Demonstrated experience and / or familiarity with one of more of the following : Security Content Automation Protocol (SCAP),Security Technical Implementation Guides (STIGs),Information Assurance Vulnerability Management (IAVMs) () , etc.

General understanding of cryptographic concepts : symmetric / asymmetric cryptography, secure hash, digital signatures

Ability to maintain effective communication and working relationships with co-workers

Proactive, dependable and accurate with strong attention to detail and organization

Strong diagnostic and problem-solving skills

Preferred Qualifications

Minimum of 1 year experience with PowerShell Scripting

Experience with certificate-enabled applications such as SSL / TLS, S / MIME, authentication, Encrypted File System, Code Signing, etc.

Experience with AWS cloud services and environments.

Hands-on familiarity and experience with Axway Desktop Validator, 90Meter and HID ActivClient middleware applications

Familiarity with or working knowledge of Citrix Virtual Apps and Desktops 2203 / 2204 LTSR components; Citrix Provisioning Services (PVS) architecture; Citrix Profile Manager; Workspace App and Citrix NetScaler environment or an equivalent combination of education and work experience.

Ability to install and configure software, firmware, upgradesand security updates / patches to maintain and secure Windows 10 / 11, Server 2019 / 2022, Citrix and VMWare operating systems and associated hardware

Build, install, configure, maintain andtroubleshoot Citrix Virtual Apps and desktop farms, Citrix Hypervisors, Citrix FIPS NetScaler Gateway, VMware vSphere and VMware Horizon Virtual Desktops

• Identify and correct inefficiencies and implement optimizations to improve existing Windows and Citrix infrastructures, as needed.
• Monitor Citrix infrastructure and identify system alerts, before they impact customers, including storage availability / capacity, performance latency, network connectivity, database health, and other daily health checks, as required.
• VMware vCenter and VMware ESXi experience

Virtualization, to include VMWare's entire vSphere Platform and Citrix Hypervisor

Storage, to include VMWare vSAN and Citrix Pool

VMWare Horizon Virtual Desktop Infrastructure (VDI)

Familiarity with or working knowledge of Citrix Virtual Apps and Desktops (CVAD)

Netscaler MPX, Citrix Application Delivery Controller / Load Balancing with End-to-End FIPS secured communications

Original Posting Date :

2024-12-30

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 $72,150.00 - $130,425.00

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.

REQNUMBER : R-00150534

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. Leidos will consider qualified applicants with criminal histories for employment in accordance with relevant Laws. Leidos is an equal opportunity employer / disability / vet.

Salary : $72,150 - $130,425