Linux Senior System Administrator - Desktop Services

Job ID324707Job Title: Linux Senior System Administrator - Desktop ServicesJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: TS/SCI with PolygraphEmployee Type: RegularPercentage of Travel Required: Up to 10%Type of Travel: Local* * *The OpportunityAt CACI, we specialize in providing innovative and secure IT solutions to our clients in the defense and national security sectors. Our mission is to support critical infrastructure with the highest standards of service and reliability. We’re looking for a skilled System Administrator to join our team and help maintain, troubleshoot, and optimize a wide variety of IT systems.We are seeking an accomplished System Administrator – Level 4 to lead and support complex enterprise IT environments, with a focus on high-assurance systems. This senior-level position involves architecture support, advanced troubleshooting, security compliance, and operational oversight across a range of IT platforms including UNIX, Linux, and Windows systems. The ideal candidate brings extensive hands-on experience, deep system knowledge, and leadership in IT service and security management.ResponsibilitiesAs a System Administrator, your key responsibilities will include:Oversee and support the implementation, configuration, maintenance, and troubleshooting of enterprise IT systemsManage the operation and configuration of server, storage, and network systems, including mobile device environmentsDeliver Tier 1 through Tier 3 support, including advanced issue escalation and root cause analysisProvide detailed technical feedback and reporting to agency leadership and internal customersLead system account management, ensuring full compliance with ICAM policiesImplement and document security patches (IAVA) and maintain system-of-record accuracyConduct in-depth analysis for system capacity planning and performance optimizationConfigure and manage UNIX, Linux, and Windows operating systems; apply enhancements to improve reliability and efficiencyWork with ISSOs and ISOs on change and configuration management processesTrack and report progress of POA&M milestones, supporting accreditation and security authorization activitiesTroubleshoot complex integration issues involving server hardware, mission applications, and middlewareDesign and support mission architectures and associated hardware platformsUnderstand and address dependencies within Service-Oriented Architecture (SOA) environmentsApply working knowledge of mission islands, Trusted Thin Client, and enhanced Virtual Desktop Infrastructure (VDI) environments, including GPU and memory scalingIf assigned to Directory Services TTOs, administer and support:Active Directory, DNS, Group Policy, Identity Management, Active Roles Server, Privileged Access Management (PAM), SCCM, and MS ExchangeThe Desktop Application Services Section consists of three Teams (Specialized Desktop Solutions, Specialized VDI Solutions and TTC.Support includes ENABLINGSTORM (eSTORM) is a high-powered virtual desktop infrastructure (VDI) with GPU integration; VIEWMAGIC (TTC) is an environment that provides a cross-domain solution reducing the number of physical clients and provides resources on a centralized desktop (TS & S); Assistive Technology, providing reasonable accommodation requests involving Assistive Technology and specialized equipment. Functions within the organization will include Citrix, Centrify, Windows and Linux OS adoption and delivery, application software packaging and updates, hardware testing and baseline approvalsQualificationsRequiredTS/Sc with Poly. NO WAIVER EducationBachelor’s degree in a technical discipline (4 years of additional experience may substitute)20+ years of experience as a System Administrator on programs of similar scope and complexity8+ years of experience with IT Service Management (ITSM)DoD 8570 IAT Level III certification (e.g., CASP+, CISSP, or equivalent)Computing Environment (CE) Certification (Microsoft OS, CentOS, or Red Hat OS)ITIL 4 certificationWhat You Can Expect:A culture of integrity.At CACI, we place character and innovation at the center of everything we do. As a valued team member, you’ll be part of a high-performing group dedicated to our customer’s missions and driven by a higher purpose – to ensure the safety of our nation.An environment of trust.CACI values the unique contributions that every employee brings to our company and our customers - every day. You’ll have the autonomy to take the time you need through a unique flexible time off benefit and have access to robust learning resources to make your ambitions a reality.A focus on continuous growth.Together, we will advance our nation's most critical missions, build on our lengthy track record of business success, and find opportunities to break new ground — in your career and in our legacy.Pay Range:There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives. We offer competitive compensation, benefits and learning and development opportunities. Our broad and competitive mix of benefits options is designed to support and protect employees and their families. At CACI, you will receive comprehensive benefits such as; healthcare, wellness, financial, retirement, family support, continuing education, and time off benefits.The proposed salary range for this position is:$103,800 - $218,100CACI is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, pregnancy, sexual orientation, age, national origin, disability, status as a protected veteran, or any other protected characteristic. #J-18808-Ljbffr CACI International Inc.