Systems Administrator- *Security Clearance Required*
Signature Science, LLC · Charlottesville, VA · 3 mo ago
HybridInformation TechnologyFull-time
About the role
The Systems Administrator assists with and supports the planning, design, installation, implementation, and maintenance of servers, endpoint devices, and services operated exclusively on behalf of external clients. The position can be located at any of our 4 locations.
Responsibilities
- Configure, harden (STIG), operate, and maintain servers, desktops, and network systems to meet requirements defined in RMF ICD-703, NISPOM, NIST SP 800-171, NIST SP 800-53, and the DHS 4300 Sensitive Systems Handbook in support of assigned project(s).
- Maintain Active Directory Domain Services, DNS, DHCP and WSUS services for assigned project(s).
- Configure and maintain Windows Hyper-V and VMWare vSphere hosts, clusters, and virtual servers for assigned project(s).
- Configure and maintain Microsoft SQL Server Always On Availability Cluster.
- Maintain enterprise backup solutions to ensure reliable backup and restoration of project servers.
- Update all firmware and software of all project systems in an offline environment.
- Anticipate, mitigate, and communicate any potential impacts of changes to ensure service availability.
- Design, quote, build and develop test plan procudures for new IT infrastructure or systems implementations for assigned project(s).
- Document all changes and solutions to problems in a centralized knowledge base.
- Maintain system and user documentation per Authority to Operate (ATO) requirements.
- Serve as a Subject Matter Expert to explain technical issues to customers and users.
- Conduct NESSUS scans, create checklists, and apply vulnerability remediations.
- Manage several custom applications, including patching and fixing with developer assistance if issues arise.
Requirements
- Experience configuring and maintaining IT systems required to meet RMF ICD-703, NIST SP 800-53, NIST SP 800-171, DHS 4300 Sensitive Systems Handbook, and NISPOM requirements.
- In-depth knowledge of Windows Core Services (e.g., DNS, DHCP, AD DS, Kerberos, AD RMS/IRM, Hyper-V, PKI/Certificates, FTP, IIS, etc.).
- Strong written and verbal communication skills to enable efficient and effective exchanges with users and customers, producing clear and accurate documentation.
- High attention to detail.
- Ability to manage multiple tasks simultaneously.
Preferred Experience
- Administering IT systems in classified environments and supporting systems with both classified and unclassified designations.
- Familiarity with VMware NSX or other network virtualization technologies.
- Experience with automation scripting (PowerShell, Python, etc.) for system administration tasks.
- Knowledge of Zero Trust Architecture principles and implementation.
- Experience with patch management and vulnerability scanning in offline or air-gapped environments.
- Familiarity with cloud environments such as Azure Government or AWS GovCloud.
- Prior work supporting DoD, DHS, or Intelligence Community programs.
Qualifications
- Bachelor’s Degree in Information Technology, Computer Science, or a related field required.
- Four years of professional IT experience may be substituted in lieu of a degree.
- Minimum of six years of experience working in an IT-related role.
Skills
- SecurityX (formerly CASP+) certification or equivalent.
- CCNP Security, CCSP, FITSP-O, or GFACT certification.
Benefits
Not specified.
Pay
Not specified.
Schedule
Not specified.