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Senior Systems Administrator - (LINUX EXP) - HYBRID - Reston, VA

Company: Cherokee Nation Businesses
Location: Reston
Posted on: November 20, 2022

Job Description:

SENIOR SYSTEMS ADMINISTRATOR, Reston, VA - (Data Center) LINUX experience Required SUMMARY The current Reston and Denver environments consist of approximately forty-five (45) racks distributed across eight (8) rows with approximately 11,000 square feet of datacenter floor space (between the two geographically separated data centers), in addition to an expanding Azure Infrastructure as a Service (IaaS) environment that currently supports Active Directory, Citrix XenApp and XenDesktop for approximately 250 users. The current on-premise environment is heavily virtualized with approximately 60 virtual hosts that support approximately 1000 virtual guests which include Linux and Windows OS platforms. There is approximately 400 physical servers and network equipment that support various applications. There are approximately 70 different SAN arrays; which support both Production, Development, and Test environment comprised mostly of a large heterogeneous Virtual Environment distributed across multiple large SAN units to include Dell Compellent and EqualLogic. The NPS Enterprise Data Centers (Reston, Denver, and private cloud) customers are spread across the United States and support is required between 6:30 am to 9:00 pm ET with the option of call-back for work requiring physical facility presence. Location: Can be located outside of Reston, VA but be able to travel to local Reston Office as needed. ESSENTIAL DUTIES AND RESPONSIBILITIES Provide configuring and tuning of systems (including: Windows, Oracle, SQL, Microsoft Hyper-V, PowerShell scripting and Linux servers) support to client data centers.Create and implement scripts in an enterprise environment to include, scripting for:Hyper-V administration.Failover cluster administration.Windows server administration.Unix/Linux/Ubuntu administration.Manage virtual machines to include:Creating, configuring, and maintaining virtual machines in a failover cluster environment.Automating where possible the creation and management of virtual machines.Plan, configure, and maintain hyper-converge infrastructure according to manufacture and industry best practices.Create automation for repeating system administration tasks.Assist in Tier 1/2/3 support issues.Create and maintain well written and easy-to-understand documentation for new and existing system processes and configurations with minimal oversight.Plan, configure, and maintain Dell SAN arrays in accordance to vendor best practices.Install, configure, and maintain Windows server, hardware, operating systems and features in accordance to vendor best practices.Install, configure, and maintain Linux and Oracle hardware, operating systems, and features in accordance with vendor best practices.Create technical documentation to include Service Level Agreements, As-Is, To-Be, and Continuity of Operations/Disaster Recovery with minimal oversight.Recommend and provide technical expertise and assistance with planning, configuring, and implementing new technologies related to storage, compute, and backup technologies.Configure and maintain backup technologies to include backup software, reporting, LTO tape libraries, backup to disks, and backup to cloud integration.Provide In-depth knowledge with cloud technology, design, implementation, and remote management.Assist with the implementation of the necessary defined security controls as they relate to the client infrastructure in accordance with the Cyber Security Assessment and Management (CSAM) systems.Assess outcomes of vulnerability scanning to include the development and implementation of corrective actions to remediate vulnerabilities'.Perform adding, modifying, and deleting access rights granted to system and application users of the information system. This includes user account management and periodic administrative tasks as defined in the client's Access Control Policy and Procedures.Assess the new system or application requirements for security implications.Perform patch management and vulnerability for physical and virtual machines and firmware updates for physical servers.Perform routine backups of failover SQL cluster.Perform routing storage management for failover SQL cluster.Assist in Tier 1/2/3 support issues.Perform patch management and vulnerability mitigation of failover SQL cluster nodes and SQL software.Perform instance creation/modifications.Perform user management (create/delete/ modify/quotas).Design, configure, implement, and maintain failover SQL cluster hardware and software configurations per manufacturer and industry best practices. SUPERVISORY/MANAGEMENT AUTHORITY N/A reports to Program Manager/Task Lead. EDUCATION and/or EXPERIENCE Bachelor's Degree in Computer Science, Engineering, Information Technology preferred.7+ years of experience. KNOWLEDGE, SKILLS AND ABILITIES Successfully pass a federal background check and a drug screenExtensive knowledge in SQL and Oracle database systems.Extensive knowledge of Windows, Oracle, SQL, Microsoft Hyper-V, PowerShell scripting and Linux servers.In depth knowledge/proficiency of Microsoft Bitlocker and Microsoft Defender ATPSolid knowledge/proficiency of McAfee Encryption and Symantec Endpoint Protection (SEP)Additional knowledge of automated deployment tools (BigFix and Microsoft SCCM) would be beneficial.Demonstrated problem solving, judgment and conflict resolution skills with the ability to provide high quality, independent analysis, conclusions and recommendations.Ability to develop specific goals and plans to prioritize, organize and accomplish your work.Excellent organizational, analytical, written and interpersonal communication skills.Proven ability to think critically, and effectively resolve problems or issues by using judgment that is objective and consistent.Ability to handle information of sensitive and confidential nature in the utmost professional manner.Ability to identify the underlying principles, reasons or facts of information by breaking down information and/or data into separate.Identifying measures or indicators of system performance and the actions needed to improve or correct performance, relative to the goals of the system.Ability to use computers and computer systems (including hardware and software) to program, write software, set up functions, enter data or process information.Cherokee Federal employees are included as covered employees in U.S. Presidential Executive Order 14042, which mandates Covid vaccines for federal contractors. Executive Order 14042 is currently blocked from enforcement pending court proceedings. Therefore, Cherokee Federal is halting the application of the mandate; however, if the injunction is lifted, Cherokee Federal will restore administration of the vaccine requirement. WORK ENVIRONMENT Controlled climate office environment: 12201 Sunrise Valley Drive, Reston, VA 20192. About Cherokee - Federal Cherokee Federal - a division of Cherokee Nation Businesses - is a team of tribally owned federal contracting companies focused on building solutions, solving complex challenges, and serving the nation's mission around the globe for more than 60 federal clients. Our team of companies manages nearly 1,000 projects of all sizes across the construction, consulting, engineering and manufacturing, health, and technology portfolios. Since 2012, the Cherokee Federal team of companies has won more than $5 billion in government contracts. Our 3,000+ employees work in 26 countries, 50 states and 2 U.S. territories. Why choose Cherokee Federal? Visit our website and learn about the great reasons to join our Compliance Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. We are an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran status, gender identity and sexual orientation. If you'd like more information about your EEO rights as an applicant under the law, please copy and paste the links to the following two sites: EEO Statement - EEO Poster; If you are an individual with a disability and require a reasonable accommodation to complete any part of the application process, or are limited in the ability or unable to access or use this online application process and need an alternative method for applying, you may e-mail for assistance. This email address is for accommodation requests only and cannot be used to inquire about the application process or status. For Pay Transparency Non Discrimination provision, please copy and paste the following link: Pay Transparency Nondiscrimination Provision; We maintain an Affirmative Action Plan for proactively seeking employment and advancement for qualified protected veterans and individuals with disabilities. Upon request, we will schedule time to make our Affirmative Action Plan accessible. If you are interested, please submit a written request with the email subject line: 2021 Request to View Affirmative Action Plan to the Compliance Administrator at "" This email box is not for resumes or follow up on job applications.#LI-REMOTE #cherokeefederal #LI-AP1

Keywords: Cherokee Nation Businesses, Reston , Senior Systems Administrator - (LINUX EXP) - HYBRID - Reston, VA, Other , Reston, Virginia

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