• Senior Systems Administrator - Citrix

    General Dynamics Information Technology Phoenix, AZ 85067

    Job #1877000968

  • Type of Requisition: Regular

    Clearance Level Must Be Able to Obtain: Secret

    Job Family: Systems Administration

    Join an exciting and dynamic team delivering a large-scale Enterprise Common Tools cloud platform, automation & orchestration, and Cloud Application Migration effort for the Army. This team works in a dynamic and fast-paced environment, with engineering, migration, and operations & sustainment of cloud migration efforts. Enterprise Common Tools and specific Army program customer migration efforts provide a range of day-to-day challenges, while the bigger picture architecture and migration efforts provide tangible milestones that the team pursues together following AGILE practices, to deliver the overall program effort. We're looking for self-starter senior Linux system administrators, to work both as part of the team and on individual assignments, in an environment of customer mission delivery, integrity and communications. We're looking to fill this role/team with those who currently have the cloud experience, certifications, and skills to execute in large enterprise environments, are flexible and enjoy tackling challenges, and desire to join a large team that is building and sustaining a large multi-tenant cloud platform/enterprise and migrating/expanding/automating the enterprise. If this sounds like you and you love to learn and grow with a team while delivering program milestones, then we'd love to hear from you!

    Responsibilities include:

    • Administrating and life-cycle management of a large multi-tenant Citrix VDI environment (Storefront, NetScaler, Licensing, MCS, Director)

    • Maintains the integrity and security of systems.

    • As required, supports users with completing requests for deployment of new services.

    • Maintains system documentation

    • Provides virtual support to users and evaluates vendor remote access and/or VDI products.

    • May program in an administrative language such as Bash, PowerShell, Python.

    • Develops and implements testing strategies and document results.

    • Maintains current knowledge of relevant technologies as assigned.

    • Participates in special projects as required.

    • Adheres to the principles, methods, and techniques used in system and network administration and support.

    • Maintains/enhances knowledge of related cloud services.

    • May require professional certification in one or more specific technologies, depending on job assignment.

    • May be required to work outside of "normal" work hours to include weekends and holidays.

    • May be required to support operations onsite and/or remote locations.

    • Independently provides advance level technical interpretation and solutions in the management of data availability, durability, and protection.

    • Experience with user profile management technologies and techniques

    • Troubleshoots access policies that are moderate to high complexity in scope.

    • Monitors and tunes the system to achieve optimum performance levels.

    • Applies practical knowledge of job area typically obtained through work experience continuous learning

    • Work across teams, and external customer groups to develop strategy, design solutions, and advise implementation teams during deployment.

    • Deal with escalations. Make assessments, recommendations or provide solutions to resolve issues.

    • Experience leveraging cost optimization and cloud elasticity

    • Experience working with infrastructure as code for provisioning and managing cloud resources.

    • Assist decision makers with budget forecasting for VDI resources

    • Write and maintain standard operating procedures and work instructions.

    Required skills and experience:

    • BA/BS (or equivalent experience), 5+ years of experience (Degree in Computer Science, Engineering or related area is preferred)

    • Must meet DoD 8570 requirements and be eligible for IAT level II (Security+ or equivalent) access

    • Experience with Citrix VDI technologies

    • Experience with high availability configurations and use of multiple availability zones

    • Excellent communication skills with demonstrated experience delivering presentations to diverse audiences at various levels of an organization

    • A strong understanding of business processes and expertise in managing operations following the ITIL processes

    Desired skills and experience:

    • Experience with Cloud Computing, active cloud certification in AWS, Google or Azure (AWS Preferred)

    • Experience with Server STIGs, patching, Tenable, ACAS, SCCM, and IAVA vulnerabilities.

    • Experience with ServiceNOW ITSM

    • ITIL Foundation certification

    Skills and Attributes:

    • Excellent listening and interpersonal skills

    • Strong written and verbal communication skills

    • Strong attention to detail and requirements

    • Motivated team player

    • Continuous learner


    • Active Secret Clearance


    • Any location (remote)


    5-10% travel

    COVID-19 Vaccination Requirement: To protect the health and safety of its employees and to comply with customer requirements, GDIT may require employees in certain positions to be fully vaccinated against COVID-19. Vaccination requirements will depend on the status of the federal contractor mandate and customer site requirements.

    We are GDIT. The people supporting some of the most complex government, defense, and intelligence projects across the country. We deliver. Bringing the expertise needed to understand and advance critical missions. We transform. Shifting the ways clients invest in, integrate, and innovate technology solutions. We ensure today is safe and tomorrow is smarter. We are there. On the ground, beside our clients, in the lab, and everywhere in between. Offering the technology transformations, strategy, and mission services needed to get the job done.

    GDIT is an Equal Opportunity/Affirmative Action employer. 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, or any other protected class.