Senior Cybersecurity Engineer – Information System Security Engineer

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🕒 3 dias atrás

🏰 Missouri – Remoto

🏰 Missouri – Remote

⏰ Tempo Integral

🟠 Sênior

👮‍♂️ Cibersegurança / Engenheiro de Segurança

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Seneca Holdings

SiteLinkedInTodas as Vagas

501 - 1000 funcionários

💼 Consultoria

🏥 Saúde

📦 Logística

Consulting • Healthcare • Logistics

Seneca Holdings é uma empresa holding diversificada que investe em uma variedade de setores, incluindo tecnologia, saúde e energia. Com foco no crescimento a longo prazo e na criação de valor, a Seneca Holdings busca identificar e cultivar oportunidades em seus investimentos, impulsionando a inovação e a eficiência.

Descrição

• Implement and maintain technical security controls under the NIST Risk Management Framework and NIST SP 800-53 • Support Information Security Continuous Monitoring activities under NIST SP 800-137 • Provide engineering support throughout the RMF authorization lifecycle and assess security control effectiveness • Develop corrective actions for security control weaknesses • Maintain System Security Plans, control implementation statements, assessment evidence, and POA&Ms • Evaluate system changes for cybersecurity impacts and maintain approved security configuration baselines • Provide technical evidence and remediation support for ATO activities • Administer Tenable Nessus and Tenable Security Center, including scanners, repositories, policies, credentials, and reporting • Conduct authenticated and unauthenticated vulnerability assessments and prioritize remediation • Coordinate vulnerability remediation and validate effectiveness through follow-up scans • Implement DISA STIGs and SRGs and conduct automated and manual compliance assessments • Develop and maintain secure configuration baselines and investigate configuration deviations • Administer and troubleshoot HBSS and successor endpoint security technologies, including Trellix/McAfee ePO • Manage endpoint security policies, agent deployments, updates, health monitoring, and alerts • Administer, secure, patch, harden, and troubleshoot RHEL and Microsoft Windows Server systems • Support configuration management, change control, technical documentation, and secure enterprise operations • Support AWS security compliance, vulnerability management, identity and access management, monitoring, and configuration assessments • Identify and remediate cloud security misconfigurations and support on-premises/cloud security integration • Collaborate with ISSMs, ISSOs, system administrators, network engineers, infrastructure teams, and system owners

🎯 Requisitos

• Minimum of 10 years of relevant professional experience in cybersecurity engineering, information assurance, vulnerability management, or enterprise security operations • Experience supporting DoD, federal government, or similarly regulated enterprise environments • Hands-on experience conducting vulnerability assessments, implementing security controls, and remediating technical security findings • Experience administering, configuring, and securing enterprise Windows and Linux systems • Experience supporting RMF compliance, continuous monitoring, and security authorization activities • Strong understanding of enterprise infrastructure, operating system security, endpoint protection, and vulnerability management principles • Current CompTIA Security+ certification required • Current AWS certification required, such as AWS Certified Solutions Architect, AWS Certified SysOps Administrator, AWS Certified Security – Specialty, or another relevant AWS certification • Must meet applicable DoD 8140 qualification requirements for the designated cybersecurity work role and proficiency level • Top Secret (TS) security clearance required for full performance; candidates with an active Secret clearance may be considered if eligible and willing to undergo the TS process • Demonstrated experience with NIST RMF, NIST SP 800-53, NIST SP 800-137, DISA STIG/SRG, eSTIG, SCAP, Tenable.sc, Tenable Nessus, HBSS, RHEL, Windows Server, AWS security, and technical compliance documentation • Experience with Trellix/McAfee ePO and enterprise endpoint security management • Experience automating configuration, compliance assessments, and remediation using Ansible, PowerShell, Bash, or similar technologies • Experience with AWS security services and federal cloud compliance requirements • Experience developing vulnerability metrics, compliance dashboards, and technical security reports • Familiarity with enterprise networking, firewall configurations, and network security principles • Additional certifications such as CISSP, CompTIA SecurityX, CySA+, RHCSA, or AWS Certified Security – Specialty are desired

🏖️ Benefícios

• Competitive pay • Medical, dental, and vision insurance • Life and disability insurance • Voluntary critical illness, hospital, and accident benefits • Health savings accounts (HSAs) • Flexible spending accounts (FSAs) • Retirement 401(k) plan • Paid leave programs • Flexible work-life balance • Professional development opportunities • Performance and recognition programs • Collaborative work environment • Hiring preference for Seneca or Native individuals

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