Senior System Security Engineer (Fully RemoteUS Citizen)

Senior System Security Engineer (Fully Remote

• W2, US Citizen) HOT!

! High-Impact Role | Top-Tier Compensation | Excellent Benefits + 401(k) Match We are seeking a Senior System Security Engineer to take full ownership of securing critical systems and infrastructure in a highly visible, high-impact environment. This is a hands-on, senior-level role for someone who thrives in autonomy, enjoys solving complex challenges, and wants to play a key role in shaping and strengthening enterprise security posture. This position offers exceptional compensation, full benefits, and long-term stability—along with the opportunity to work 100% remotely while driving meaningful security initiatives.

• Lead the design, implementation, and management of comprehensive security strategies
• Build and maintain secure, resilient systems to protect against evolving threats
• Develop and implement security solutions across infrastructure and applications
• Ensure system hardening across:
• Linux environments
• Windows systems
• Network infrastructure
• Secure cloud environments (AWS, Azure, GCP) and container platforms (Docker, Kubernetes)
• Ensure compliance with

DISA-STIG

security standards

• Diagnose and resolve complex security issues, delivering timely and effective solutions
• Partner with internal teams to maintain uptime, compliance, and operational security integrity
• Communicate security risks, findings, and recommendations to stakeholders and leadership
• Operate as the sole, hands-on System Security Engineer, driving initiatives independently What You Bring Linux Expertise
• Deep, hands-on experience with:
• RHEL, CentOS, Ubuntu
• Strong knowledge of:
• System internals
• Administration and troubleshooting
• Linux template hardening Windows Security
• Strong experience with:
• Active Directory Security
• System hardening & configuration
• Windows security stack
• Logging & monitoring:
• Windows Event Logs
• Sysmon
• SIEM integrations for threat detection Infrastructure & Network Security
• Hands-on experience securing:
• On-prem and cloud-based servers
• Network devices and hypervisors
• Expertise in:
• Firewalls
• VLAN segmentation
• ACL configurations
• Strong understanding of:
• TCP/IP
• Network security protocols
• Encryption and authentication systems Cloud & Container Security
• Experience securing:
• AWS, Azure, and/or GCP environments

Containerization:

• Docker
• Kubernetes Automation & Scripting
• Advanced proficiency in:
• Python
• Bash
• Ability to automate tasks and build security tools Security Tools, Frameworks & Compliance
• Experience with frameworks:
• PCI-DSS
• SOC 2
• NIST
• ISO
• Tools and technologies:
• Vulnerability scanning: Tenable Nessus
• Network tools: Cisco FMC, Extrahop

SIEM:

Splunk

EDR:

Trellix

• What Sets You Apart
• Self-motivated and highly proactive—you take ownership and drive results
• Thrive in a fast-moving, complex environment with evolving priorities
• Strong analytical and problem-solving skills
• Excellent verbal and written communication skills
• Ability to work independently while collaborating effectively across teams
• Why This Role
• Top-tier compensation aligned with senior-level impact
• Fully remote (W2) with long-term stability
• Excellent benefits package + strong 401(k) match
• Opportunity to be the go-to security expert and make a direct impact
• Work with modern technologies across cloud, containers, and enterprise systems If you're a hands-on security expert looking for a role w you can truly own and elevate an organization's security posture—this is that opportunity.

Must be a US Citizen only, have a degree and be able to pass a full background check and drug screening.