Senior Systems Engineer – Infrastructure & Security

Accountabilities • Provide technical guidance and help coordinate day-to-day priorities for the enterprise systems and infrastructure environment.

• Administer, maintain, and support approximately 34 servers, primarily running Red Hat Enterprise Linux, along with a smaller number of Windows servers.

• Perform quarterly and annual security compliance activities involving Security Content Automation Protocol (SCAP) and Security Technical Implementation Guides (STIGs).

• Manage Public Key Infrastructure (PKI) certificates, including tracking expiration dates, coordinating renewals, and installing certificates on web servers and Oracle applications.

• Execute and track weekly Assured Compliance Assessment Solution (ACAS) vulnerability scans, following up on findings and supporting remediation efforts.

• Monitor operating system and middleware resource utilization, assess capacity requirements, and help plan infrastructure expansions when needed.

• Apply operating system security patches, updates, and upgrades to maintain system security and stability.

• Monitor system performance across operating systems and AWS infrastructure, identifying issues and supporting optimization efforts.

• Respond to scheduled and ad hoc audit requests by providing technical information and supporting compliance activities.

• Coordinate with data center personnel to resolve SLDCADA-related issues involving networking, systems, security, and user access.

• Provide technical assistance to development, customer support, and database teams as needed.

• Support additional technical projects involving external partners and organizations, including USAGM, NIS, and DISA.

• Assist with application vulnerability remediation and support tools and systems such as Control-M, Track-It, and EWM/RTC.

Requirements

• Active Secret security clearance or higher.

• Strong hands-on experience administering Red Hat Enterprise Linux systems.

• Experience with Windows server administration is an advantage.

• Familiarity with STIGs, SCAP, ACAS vulnerability scanning, and PKI certificate management.

• Experience monitoring system performance and capacity across on-premises infrastructure and AWS environments.

• Understanding of operating system patching, security compliance, vulnerability remediation, and infrastructure maintenance.

• Ability to collaborate effectively with technical teams, data center personnel, and external partners to resolve operational issues.

• Strong analytical and troubleshooting skills, with the ability to investigate system issues and support reliable infrastructure operations.

• Experience with Control-M, Track-It, or EWM/RTC is a plus.

• Ability to work independently in a remote environment while coordinating effectively with cross-functional teams.

Benefits

• Work arrangement: Fully remote position.

• Technical scope: Opportunity to work across enterprise Linux and Windows systems, AWS infrastructure, security compliance, and vulnerability management.

• Cross-functional collaboration: Work with development, database, customer support, data center teams, and external partners.

• Security-focused experience: Contribute to infrastructure protection, federal compliance activities, and security remediation initiatives.

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