Senior Systems Engineer: Infra & Security (Remote)

Jobgether; United States; Remote; USD 120,000 - 180,000; Full time

Benefits offered by this job

Fully remote

Job summary

Jobgether is seeking a Senior Systems Engineer – Infrastructure & Security for a partner company. This fully remote role in the United States focuses on maintaining an enterprise Linux/Windows environment, strengthening security, and supporting compliance across on‑premises and AWS.

You will manage PKI certificates, perform vulnerability scans, patch management, and capacity planning while collaborating with development, database, and data center teams to ensure reliable operations.

Qualifications

• Active Secret clearance is required.
• Strong hands-on experience managing Red Hat Enterprise Linux systems.
• Windows server administration is a plus.
• Familiarity with STIGs, SCAP, ACAS vulnerability scanning, and PKI certificate management.
• Experience monitoring system performance and capacity across on‑premises and AWS environments.
• Understanding of OS patching, security compliance, vulnerability remediation, and infrastructure maintenance.
• Ability to coordinate with development, data center personnel, and external partners to resolve issues.
• Experience with Control‑M, Track‑It, or EWM/RTC is a plus.
• Ability to work remotely while coordinating with cross‑functional teams.

Responsibilities

• Provide technical guidance for enterprise systems and infrastructure.
• Administer and support ~34 servers (RHEL and Windows).
• Perform quarterly/annual security compliance with SCAP/STIGs.
• Manage PKI certificates and renewals.
• Run weekly ACAS vulnerability scans and remediate findings.
• Monitor OS/middleware resources and plan capacity expansions.
• Apply OS patches and upgrades to maintain security and stability.
• Monitor performance across OS and AWS; support optimization.
• Respond to audit requests with technical information.
• Coordinate with data center for networking and security issues.
• Assist development, customer support, and database teams as needed.
• Support projects with external partners and organizations (USAGM, NIS, DISA).
• Assist with vulnerability remediation and tools like Control‑M, Track‑It, EWM/RTC.

Skills

Active Secret clearance

Red Hat Enterprise Linux

Windows Server administration

Security compliance & vulnerability

SCAP & STIGs knowledge

PKI certificate management

AWS infrastructure monitoring

Capacity planning & patch management

Troubleshooting & analytical skills

Tools

Control-M

Track-It

EWM/RTC

Job description

Jobgether is seeking a Senior Systems Engineer – Infrastructure & Security for a partner company. This fully remote role in the United States focuses on maintaining an enterprise Linux/Windows environment, strengthening security, and supporting compliance across on‑premises and AWS.

You will manage PKI certificates, perform vulnerability scans, patch management, and capacity planning while collaborating with development, database, and data center teams to ensure reliable operations.