Share Email Opening Title Senior System Administrator  Category Security   Description About STR: Systems & Technology Research (STR) is a mid-sized and rapidly growing company focused on providing innovative, technology-based solutions to defense, intelligence and national security problems with a position available for a senior system administrator with current TS clearance. Responsibilities: Leading administrators in implementing, deploying, and maintaining Linux (Red Hat, CentOS, Ubuntu) and Windows operating systems in traditional and virtualized environments across a variety of hardware solutions Professionally work alongside Information System Security Managers in the management and implementation of technical solutions to support the program researchers. Configure and maintain NFS Storage, Networking, Firewall, and Directory Services such as MS Active Directory management and Group Policy administration Perform performance monitoring, results analysis and enhancement, as well as process automation using PowerShell scripting and other available technologies Provide daily support, systems maintenance, problem resolution, tracing and project support Create and maintain installation and configuration Standard Operating Procedures (SOPs) Maintain current knowledge of DoD security and technical guidelines and the organization's policies Provide support for production and development environments After-hours support is required for maintenance and patching when needed   Position Requirements Required Qualifications: Linux Administration (Red Hat, CentOS, Ubuntu) Windows OS Administration Must hold active TS. Have current or ability to pass CI Polygraph Desired Qualifications: Enterprise Virtualization Tools Multi-Factor Authentication Public Key Infrastructure Web Server Active Directory including Group Policy, LDAP backend, and Replication Effective utilization of Security Technical Implementation Guidelines (STIGS) and Security Content Automation Protocol (SCAP) Content and Tools Host Based Security System (HBSS) implementation and maintenance Assured Compliance Assessment Solution (ACAS) support Current knowledge of DoD Ports, Protocols, and Services (PPS) STR seeks to provide an outstanding work environment for its employees with excellent benefits and competitive compensation. Full-time employees enjoy 401(k), profit sharing, health and welfare benefits, subsidies for training and conference attendance to foster continued learning and development, and a casual yet technically challenging work environment. STR is dedicated to fostering a diverse and inclusive workforce where all employees, regardless of race, ethnicity, gender, neurodiversity, or other personal characteristics, feel valued, included, and empowered to achieve their best. We recognize that each employee’s backgrounds, experiences, and perspectives are essential for providing our customers with innovative solutions to challenging national security problems. STR’s commitment to attracting, retaining, and engaging talented and diverse professionals is demonstrated by our participation, sponsorship, and support in local and national minority organizations. Applicants must be US Citizens.   About the Organization Systems & Technology Research (STR) is a rapidly growing technology company with locations north of Boston, MA, Arlington, VA and near Dayton, OH. We specialize in advanced research and development for defense, intelligence, and national security, trying to understand how to protect our society: from stopping malicious botnet attacks, to understanding cyber vulnerabilities, providing next generation sensors, radar, sonar, communications, and electronic warfare to developing artificial intelligence algorithms and analytics to make sense of the complexity that is exploding around us. STR is committed to creating a collaborative learning environment that supports deep technical understanding and recognizes the contributions and achievements of all team members. Our work is challenging, but you go home at night knowing that you pushed the forefront of technology and made the world a little safer. We recognize that the world is changing, that it is becoming more connected than ever before, making things change faster than before, and reshaping society in the process. We all want to understand this changing world and leave it better for our work. We're not just any company. Our people, culture, and attitude along with their unique set of skills, experiences, and perspectives put us on a trajectory to change the world. We can't do it alone, though - we need fellow trailblazers. If you are one, join our team and help to keep our society safe!   EOE Statement STR is fully dedicated to hiring the most qualified candidate regardless of race, color, religion, sex (including gender identity, sexual orientation and pregnancy), marital status, national origin, age, veteran status, disability, genetic information or any other characteristic protected by federal, state or local laws. If you need a reasonable accommodation for any portion of the employment process, email us at appassist@stresearch.com and provide your name, phone number and email address. US Citizenship is required for all positions.   This position is currently not accepting applications. 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