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System Admin II


This is a Contract position in Altadena, CA posted October 25, 2020.

Secure our Nation, Ignite your FutureBecome an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first.  At ManTech International Corporation, you’ll 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 System Administrator to join our team in the Altadena, CA office.Responsibilities include, but are not limited to:Providing the day to day support and maintenance for Microsoft Windows, Apple macOS and Linux/Unix environment.  Performing preventive maintenance on HW and peripherals and ensure systems are backed up and maintained.Identifying and escalating any network communications issues related to the environment.Complying with appropriate authorities (STIG, NASA, DISA, etc) and coordinate with Lead/System Administrator IV on recommended Hardware and Software configuration changes, new installations, and system repairs and authorized service interruptions.Coordinating with Configuration Management to document configuration of systems, to include hardware, operating system, applications and security configurations.Creating and maintaining associated documents including forms, policies, processes, work notes and provide specialized written and electronic reports upon request.Securing of systems in accordance with applicable standards (ie DISA Security Technical Implementation Guides (STIGS) and Common Vulnerability Exposure (CVE’s).Solutioning and provide recommendations for better efficiency of overall infrastructure environment.Basic Qualifications:Strong background and experience in various Operating Systems.  Be able to work and support various OS systems including Windows, Mac, and Linux.Strong background and experience in configuring, maintaining, and supporting of Linux.   Experience configuring and maintaining Active Directory domains and/or NIS domainsExperience configuring and maintaining DNS (Unix and/or Windows)Strong troubleshooting and problem-solving skillsTechnical documentation creation and managementExperience developing and maintaining Windows baselines, including security settings and Windows hardeningAbility to identify application related configuration details for optimized performanceIntuitive thinker that can contrive and implement new solutions to technical problemsKnowledge and experience implementing Technical Requirements on multiple operating systems for RMF and other protection level caveatsFamiliarity with mass storage technologies such as NAS, SAN, and HSMPreferred Qualifications:Windows certification (MCSE, etc.)Linux certificationCISSP/CISM certificationRequire Security+Prefer CISSP, or other IAT Level II/III security certificationSecurity Clearance Requirements:Active TS/SCI with a PolygraphManTech International Corporation, as well as its subsidiaries proactively fulfills its role as an equal opportunity employer. We do not discriminate against any employee or applicant for employment because of race, color, sex, religion, age, sexual orientation, gender identity and expression, national origin, marital status, physical or mental disability, status as a Disabled Veteran, Recently Separated Veteran, Active Duty Wartime or Campaign Badge Veteran, Armed Forces Services Medal, or any other characteristic protected by law.If you require a reasonable accommodation to apply for a position with ManTech through its online applicant system, please contact ManTech’s Corporate EEO Department at (703) 218-6000. ManTech is an affirmative action/equal opportunity employer – minorities, females, disabled and protected veterans are urged to apply. ManTech’s utilization of any external recruitment or job placement agency is predicated upon its full compliance with our equal opportunity/affirmative action policies. ManTech does not accept resumes from unsolicited recruiting firms. We pay no fees for unsolicited services.If you are a qualified individual with a disability or a disabled veteran, you have the right to request an accommodation if you are unable or limited in your ability to use or access as a result of your disability. To request an accommodation please click and provide your name and contact information.

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