CACI International Sr. Windows Systems Administrator in Chantilly, Virginia

Job Description

CACI is seeking a Sr. Windows Systems Administrator,

What You’ll Get to Do:

  • Responsible for resolving IT hardware and software infrastructure (servers, network, security, etc.) issues using systems analysis techniques and procedures to ensure appropriate function of hardware, software or system functional specifications

  • Analyzes, troubleshoots and resolves issues with IT infrastructure including user systems, servers, storage and network connectivity

  • Provides system administration for assigned infrastructure and establishes and maintains security as it relates to users

  • Applies security patches and operating system upgrades to ensure the security and integrity of the technical environment

  • Supports new infrastructure projects. Maintains all configuration documentation for assigned infrastructure

Monitoring system performance to support capacity planning

  • Implementation and monitoring of system backups and disaster recovery

  • Performing system upgrades and maintenance tasks, including installation and configuration of Windows operating systems, administration of user accounts, and maintenance of system security posture.

  • Troubleshooting network and operating system problems

  • Supporting architecture design studies for technology refresh planning and implementation

  • Evaluating and effectively communicating complex system problem identification and resolution

  • Create and maintain multiple virtual server and virtual desktop systems based on VMware

  • Provide Tier II and Tier III user support

  • Architectural design, implementation and continuous improvement of support and application system infrastructure.

  • System performance tuning, data recovery, etc.

  • Installing and upgrading system software and supporting operating system configuration in support of application and database software.

  • Creating, maintaining, and restoring system backups.

  • Providing technical input for policies and procedures and maintaining accurate documentation on those policies/procedures.

  • Research and investigate problems, diagnose and provide resolution or viable solutions for hardware and software issues; appropriately escalating and reporting recommendations clearly and effectively to management and team.

  • Research and remediate vulnerabilities.

  • Under limited supervision, as project leader and onsite subject-matter expert for Citrix products assumes responsibility for planning, implementing and supporting Citrix-related projects

  • On-call support is required as well as occasional shift and weekend work

You’ll Bring These Qualifications:

  • Bachelor’s degree in Computer Science, IT Engineering or related degree program; or current IT certification with sufficient technical experience to substitute for the formal education requirement.

  • Minimum 5 years experience in supporting Windows Server Operating Systems

  • Ability to work well in a team environment, promote customer service and handle complex technical issues

  • Excellent troubleshooting skills

  • Security+, CCNA, CySA+, GICSP, GSEC, SSCP, CASP, CCNP, CISA, CISSP, GCED, or GCIH certificate.

  • Ability to support on-call rotation and accept calls during the night to support the Windows servers

  • Experience with Citrix XenApp and XenDesktop (version 6 or 7)

  • Experience with Windows Group Policies

  • Experience supporting Microsoft Active Directory infrastructure (MCSE / MCSA for Windows Server 2008 or newer is preferred, but not required)

  • Experience with incident and change management processes

  • Experience with Windows Server administration and support

  • Familiar with storage technologies

  • Strong oral communication skills and experience briefing senior management on technical issues and problem resolution

  • CISSP Certification a plus

  • Experience designing, implementing, migrating and supporting Citrix suite of products (XenApp, XenDesktop, NetScaler, etc.) version 7.x including Citrix Receiver is desired

What We Can Offer You:

  • We’ve been named a Best Place to Work by the Washington Post.

  • Our employees value the flexibility at CACI that allows them to balance quality work and their personal lives.

  • We offer competitive benefits and learning and development opportunities.

  • We are mission-oriented and ever vigilant in aligning our solutions with the nation’s highest priorities.

  • For over 55 years, the principles of CACI’s unique, character-based culture have been the driving force behind our success.

Job Location


CACI employs a diverse range of talent to create an environment that fuels innovation and fosters continuous improvement and success. At CACI, you will have the opportunity to make an immediate impact by providing information solutions and services in support of national security missions and government transformation for Intelligence, Defense, and Federal Civilian customers. CACI is proud to provide dynamic careers for employees worldwide. CACI is an Equal Opportunity Employer - Females/Minorities/Protected Veterans/Individuals with Disabilities.