Sr Systems Administrator with Security Clearance

NOTE: A TS/SCI with FULL SCOPE POLYGRAPH IS REQUIRED FOR THIS ROLE Who we are August Schell proudly offers over three decades of cybersecurity expertise, providing our customers with innovative solutions and engineering agility to tackle their toughest challenges. Our team doesn't just work together, we collaborate as a dynamic force; united by a shared vision of driving transformative impact. We value the diverse perspectives and talents that individuals contribute, recognizing how each enhances our approach to developing the best solutions for our customers and partners. Our pursuit for excellence is not just a mission - it's a reflection of our dedication to harnessing the power of diversity, knowledge, innovation, and commitment. What we are looking for A strong Windows and Linux Systems Administrator who is comfortable working in a fast-paced complex IT environment and simultaneously providing excellent troubleshooting and user technical support. In this role you will be developing solutions for system engineering, deployment, and maintenance capabilities. We are looking for an energetic, focused, and motivated candidate who can adapt to a constantly changing environment. What you will do - Manage and maintain a complex server-based enclave. Performing and mitigating system scans, vulnerability management activities, and active directory configuration. - Plan and implement IT enhancements needed for system optimization. - Identify and remediate hardware and/or software issues. - Create and update clear, concise, and accurate incident resolution documentation. - Support overlapping projects and maintain good inter-departmental relations. - Communicate and publish statuses of system outages, as needed. - Manage information assurance vulnerability alerts (IAVAs) and system security scanning of equipment suites in accordance with System Security Plans. - Actively identify and initiate IAVA responses and system security scans for remediation, deploy IAVA patches and/or security updates for designated sites, and execute monthly security scans. - Maintain a 24/7 presence for system administration and maintenance support. What you will bring - TS/SCI with Full Scope Polygraph clearance. - 8570 IAT II minimum (Sec+ or equivalent). - Minimum 8-10 years of experience providing support for users and monitoring/optimizing systems in infosec environments. - At least 5 years of experience in Linux or Unix server administration using RHEL and/or CentOS within an enterprise environment. - At least 2 years working on Cisco and/or Juniper network switches, routers, and firewalls (or similar enterprise vendors). - Hands-on experience managing YUM repository. - Advanced PowerShell or Bash scripting. - Practiced understanding of software and security architectures such as Windows/Linux operating systems, VMware architecture (vSphere/vCenter), HP OpenView, and/or Windows Server upgrades. - Thorough understanding of advanced security protocols and standards, and information security principles and best practices. - Independent thinker with ability to work in a team environment. - Ability to support planned after-hours activities, on occasion. - Ability to travel, on occasion, for short duration to non-hostile locations to complete tasks such as system upgrades and installs. Stand out with - Bachelor's degree in a technical discipline from an accredited college or university. - Experience documenting and providing information for security accreditation and certification. - Experience using Splunk tools in infrastructure planning, data collection and comprehension, development, integration, configuring data inputs and forwarders, data management, and/or monitoring. - Experience with Network Security Technologies such as Multiple Domain, PKI, SSP, and/or Vulnerability Assessment. - Experience with High Assurance Internet Protocol Encryptor (HAIPE) devices for in-line Network Encryption. - Experience with Puppet, Docker/Rancher, SALT. All are welcome At August Schell, we are committed to upholding the principles of Equal Employment Opportunity (EEO) and Affirmative Action and providing fairness and equity for all team members. We value the unique perspectives and talents of our employees, regardless of race, color, ancestry, religion, sex, national origin, sexual orientation, age, citizenship, marital status, disability, gender identity, or Veteran status. It is our firm belief that diversity and inclusion are not only fundamental to our organizational success but also essential for fostering a vibrant and dynamic workplace environment.