Secure our Nation, Ignite your Future Become an integral part of a diverse team while working at an Industry Leading Organization, where our employees come first. At ManTech-Intel Sector, 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 II to join our team in the Columbia and Hanover, MD area. Responsibilities include but not limited to: Proficient in Linux sys admin functions (including OS loading, patching, LDAP, DNS, DHCP, Samba, SSH, VNC, user/group management, etc.) This includes the ability set up Linux servers and be able to share data between them and other computers (oftentimes Windows-based) Experience testing and hardening systems (testing using tools like SecScan, Nessus, etc.) and then implementing hardening scripts (ensuring regressing testing is done with required applications to ensure nothing breaks by hardening) We would prefer someone with virus scanning experience on the Linux side as well Preferred shell scripting experience (like Bash) to help automate tasks Software integration experience (e.g., ability to take provided applications, install, and troubleshoot installation/running on the server) Also have experience in Windows sys admin functions (including OS loading, patching, Active Directory, Remote Desktop, virus scanning applications, Policy changes/implementation, etc.) This includes the ability to set up Windows servers (Server 2008, Server 2012, etc.) and clients (e.g., Win7, Win8, Win10) and ensure data can be shared between them and Linux servers Solid experience testing and hardening systems (testing using tools like DirtScan, dirty word searches, Nessus, etc.) and then implementing hardening scripts (ensuring regressing testing is done with required applications to ensure nothing breaks by hardening. Would prefer someone with some software integration experience (e.g., ability to take provided applications, install, and troubleshoot installation/running on the server) Basic Qualifications: Ten (10) years experience as a SA in programs and contracts of similar scope, type, and complexity is required. Bachelor’s degree in a technical discipline from an accredited college or university is required. Five (5) years of additional SA experience may be substituted for a bachelor’s degree. Preferred Qualifications: Meet IAT Level II – ex. Security (Sec ) OR be able to secure Sec certification or higher. Basic router and switch and switch configuration knowledge, necessary for configuration and/or system hardening and compliance scanning requirement. Elastic (ELK) Stack configuration and user experience Clearance Requirements: TS/SCI w/ Polygraph Physical Requirements: Reaching, Speaking, Standing, Talking, Working with computer, Working with data, Ability to handle stress & work under pressure, oral & written communication skills, ability to us MS office, ability to use a PC, Interpersonal & people skills, and multi-tasking abilities. For all positions requiring access to technology/software source code that is subject to export control laws, employment with the company is contingent on either verifying U.S.-person status or obtaining any necessary license. The applicant will be required to answer certain questions for export control purposes, and that information will be reviewed by compliance personnel to ensure compliance with federal law. ManTech may choose not to apply for a license for such individuals whose access to export-controlled technology or software source code may require authorization and may decline to proceed with an applicant on that basis alone. ManTech 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 http://www.mantech.com/careers/Pages/careers.aspx as a result of your disability. To request an accommodation please click careers@mantech.com and provide your name and contact information. Why ManTech? This is why! When you apply for a job at ManTech, you are taking the first step toward a new adventure. Trailblazing technology, incredible professional development and the opportunity to serve our nation. All while Securing the Future®. ManTech provides mission-focused technology solutions and services for U.S. defense, intelligence and federal civilian agencies. In business for more than 52 years, we excel in full-spectrum cyber, data collection & analytics, enterprise IT, and systems and software engineering solutions that support national and homeland security. More than 9,300 talented professionals around the globe make up the ManTech family and nearly half are veterans. As a ManTech employee, you will work for a winning team alongside colleagues that support and inspire you. You will also have access to tuition assistance, partnerships with universities and institutions, professional groups that comprise our Communities of Practice, community service opportunities, Technical Recognition Awards, Career Enablement/Mobility programs and so much more. What are you waiting for? Click “Apply” and start your adventure today.