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Systems Administrator, Principal

Company: ManTech
Location: Chantilly
Posted on: June 15, 2019

Job Description:

Job Duties and ResponsibilitiesBecome an integral part of a diverse team that leads the world in the Mission, Cyber, and Intelligence Solutions group. At ManTech International Corporation, you will help protect our national security while working on innovative projects that offer opportunities for advancement.Currently, ManTech is seeking a motivated, career and customer oriented Senior System Administrator to join our team in the Chantilly, VA area to provide unparalleled support to our customer and to begin an exciting and rewarding career within ManTech in a leadership position. ESSENTIAL DUTIES AND RESPONSIBILITIES:The Sr. System Administrator is a thought leader and expert responsible for design, coordination, installation, and maintenance of virtualized and stand-alone computer environments. They providing a full range of IT support services to customers proactively providing solutions and recommendation to improve customer experience and minimize negative user experiences with networks and systems they are in charge of or engage with. The physical environment includes audio/visual capabilities including an AV network that connects computer and network end points to two primary Video wall capabilities. This AV network is backed by a Government network that has multiple compute, storage, and networking components.Additionally, they will be able to independently investigate and analyzes feasibility of system requirements and develops system specifications. They will recommend the design and configuration of operating systems and system applications to maximize performance and minimize system downtime.The Sr. System Admin is highly experienced in virtualized IT infrastructure management and capabilities. They demonstrate a strong understanding of System/ Network administration functions in all modern Windows Server environments and/or Linux CENTOS/RHEL and UBUNTU environments including user provision and IDAM (e.g., AD or SSSD), DNS, GPOs, hardening and auditing.The Sr. System Administrator will also have responsibilities to engage directly with mid to senior level customers. As such, they must also possess softer client engagement expertise to manage client expectations and communicate complex actions or technologies in terms and terminology accessible to the broadest customer audience technical expert in the area of system administration for complex operating systems.The Sr. Systems Administrator will work in a team environment and collaboration with other System administrators, networking administrators, and security professionals is a necessity. They will need to be able to interact and communicate (in writing and verbally) with teammates, stakeholders, product owners, and executives effectively and efficiently.Finally, they Identifies methods, solutions, and provides project leadership and management in order to provide a high level of service to the customers,QUALIFICATIONS - Technical Expertise:---Configuring, managing, and maintaining virtualized computer environments a specific focus on delivering hands on experience with provisioning virtual hardware, storage, resources. The resource should have document experience with configuration/ administration for high-availability and failover services for cloud based infrastructures---Configuring and O&Ming of modern window server/desktop and Linux CENTOS/RHEL v6/7 and/or and Ubuntu OSThis includes the full stack of support services for a multi-server environment (e.g., IDAMS, Antivirus, Update, Audit, Security Scanning, etc)---Knowledge in security hardening of operating systems in a standalone environment as well as through GPOS---Ensure all software and hardware are upgraded, legally compliant and supported---Demonstrated experience with PKI based IDAM---Knowledge of configuring network routers, switches and firewalls, working with VLANs, and knowledge of routing protocols---Oversight and manage multiple security disciplines under supervision of Government program security management---Experience with creating and deploying workstation images using automated tools---Demonstrated experience with deploying server images using templates and/or AMIs---Create and monitor a scheduled network back-up plan---Research and obtain quotes for hardware/software based on customer requirements---Provide limited support for IT asset management and property control processes in managing inventories of workstations, monitors, and other related IT infrastructure through the customers control systemsADDITIONAL DUTIES AND WORK ENVIRONMENT ---Communicate clearly via written and spoken English word to multiple stakeholders including peers, mid-level and senior leadership---Lift up to 50 lbs. climb at least a 5 ft ladder, and crawl under and behind desks under 3ft to access wiring---Work in a professional Office environment with limited government oversightEDUCATION AND WORK EXPERIENCE REQUIREMENTS:---10 - 12 years w/High School Diploma---07-09 years w/associates or technical degree in Computer Science or related discipline---04-06 years w/Bachelor's Degree in Computer Science or related discipline---Ten years work experience in complex systems design, programming and systems software and supportPREFERRED SKILLS AND PERSON ATTRIBUTES WE'RE LOOKING FOR:---Strong communication (verbal and written) and interpersonal skills dealing with employees across all levels and functions a dynamic customer centric environment---Experience with JSON/Bash/PYTHON/PowerShell scripts would provide great benefit for automation of tasks ---Provide superior customer service; possess strong communication (verbal and written) and interpersonal skills in a dynamic customer centric environment---Highly motivated and able to thrive in a fast-paced environment---Displays a customer-centric attitude with a high level of energy and sense of urgency---Strong team and collaborative orientation---Excellent problem solving skills---CCNP Security or equivalent CISSP ---Relevant Microsoft/Linux certifications is a big plus (e.g., Microsoft Certified Systems Administrator (MCSA) certification, Microsoft Certified Technology Specialist (MCTS), Red Hat Certified Technician) CERTIFICATION AND CLEARANCE REQUIREMENTS---Compliant with DoD 8570 IAT Level II with at least 14 months prior to renewal (e.g. Security or CCNA Security certification) or candidates who can be compliant within 6 months of starting their position---Have an active TS/SCI level security clearance based on a SSBI within the last five yearsMust have a valid CI Poly QualificationsRequires Bachelor's degree (in Computer Science or related field) or equivalent, and seven to nine years of related experience.DegreesEquivalent Experience/EducationBachelor's DegreeYears of Experience13-15 years w/High School Diploma07-09 years w/Bachelors Degree04-06 years w/Masters Degree

Keywords: ManTech, Chantilly , Systems Administrator, Principal, IT / Software / Systems , Chantilly, Virginia

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