Systems Administrator II (Corp198) chez Research Innovations, Inc.

Currently, RII is seeking a motivated, mission oriented Systems Administrator I/II We are seeking a motivated mid-level Systems Administrator II to join our team supporting critical operations in secure facilities at a government contractor location. In this role, you will play a key part in maintaining and securing information systems, ensuring compliance with DoD standards, and managing network infrastructure in a classified environment. If you thrive in a high-stakes setting with a focus on cybersecurity and system reliability, this is an opportunity to contribute to mission-critical projects.**Certifications:** Must hold applicable DoD 8140 certifications (e.g., Security+, CISSP, or equivalent baseline certifications for Information Assurance Technician/Manager roles)This role requires an active US TS/SCI security clearance.

WHAT YOU WILL BE DOING

Assisting with defining security requirements and designing solutions, providing guidance and implementing direction related to security technologies in secure, classified facilities.

Applying Risk Management Framework (RMF) and National Institute of Standards and Technology (NIST) Special Publication (SP) 800-53 controls to obtain and/or maintain Authority to Operate (ATO) for information systems (Linux/Windows) within government contractor environments.

Performing network and system security administration, including operating system security configuration, performance monitoring, and account management best practices for MS Servers/Windows and Linux.

Configuring and maintaining user account management interfaces and system supports, including direct customer interface in secure settings.

Utilizing security management capabilities and ensuring a secure, DoD-compliant service and system architecture.

Participating in the development of technical and/or management controls and implementing services in accordance with NIST SP 800-171 requirements for protecting the Confidentiality of Controlled Unclassified Information (CUI).

Identifying and implementing security designs, preparing and maintaining engineering and security-related documentation tailored to government contractor standards.

Providing technical advice related to system security, vulnerabilities, security architecture, and security policies in classified environments.

Ensuring the rigorous application of information security and information assurance policies and procedures.

Working knowledge of classified environments and oversight on vulnerability assessments; defining, negotiating, and executing Assessment and Authorization (A&A) events.

Supporting the scheduling, performing, and maintaining of records for required information system auditing, patching, maintenance, software/hardware changes, and malware scanning based on evolving threats/vulnerabilities and compliance requirements.

Building servers (physical and virtual) and workstations (Windows/Linux), both physical and virtual, in secure facilities.

Managing networking switches, routers, and firewalls, including configuration, monitoring, and troubleshooting in DoD-compliant environments to ensure secure data flow and network integrity.

WHAT YOU HAVE DONE

Minimum 4 years of hands-on experience with Linux and Windows system administration in mid-level roles, preferably in secure settings.

Experience with security features and/or vulnerabilities of various operating systems as defined by NSA, NIST, DISA (STIGs), and/or USCYBERCOM.

Experience with network and system security administration, including operating system security configuration and account management best practices for MS Windows and Linux.

Optimized system operations and resource utilization, performing system capacity analysis and planning.

Experience with Information Assurance (IA) vulnerability identification/remediation/testing and related network and system test tools (e.g., Security Content Automation Protocol (SCAP)).

Experience with information security toolsets such as anti-virus, Security Information and Event Management (SIEM), and/or Host-based Intrusion Detection Systems/Network Intrusion Detection Systems (HIDS/NIDS).

Experience with VMware virtualization technologies, both server and desktop environments.

Hands-on experience managing firewalls, network switches, and routers in secure environments.

Self-starter requiring limited direction and supervision, with a proven ability to work independently in classified facilities.

Experience implementing DoD and Federal Risk Management Framework, IA Certification and Accreditation Processes, IA controls, and developing/maintaining associated certification and accreditation documentation.

Assisted in the implementation of required government policies (e.g., DAAPM, NISPOM, JSIG), made recommendations on process tailoring, participated in and documented process activities.

Applied Defense Counterintelligence and Security Agency (DCSA) processes and National Industrial Security Program Operating Manual (32 CFR/NISPOM) requirements, Intelligence Community Directive (ICD)-503 publications, and the Committee on National Security Systems Instruction (CNSSI) 1253 to new or existing information systems.

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