Senior Cyber Security Engineer

The Senior Security Engineer plays a critical leadership role in securing the organization's IT operations and infrastructure across the enterprise. Reporting directly to the CISO, this role is responsible for implementing and maintaining advanced security technologies, identifying and mitigating threats, and supporting enterprise security initiatives. The Senior Security Engineer serves as a technical expert and advisor, helping to shape the security posture of the organization while aligning with business objectives and compliance requirements.

Location : Dallas / Fort Worth TX (Onsite)Duration : Fulltime / Direct hire

CORE RESPONSIBILITIES

Enterprise Infrastructure Security : Implement and maintain layered security defenses for servers, workstations, virtual environments, and remote access , secure configuration management, and system , SaaS integrations, and vendor platforms connected to enterprise infrastructure.

Security Architecture and Hardening : Create secure design blueprints for on-premise, hybrid, and cloud infrastructure deployments (AWS, Azure, GCP).Define and maintain technical baselines in accordance with CIS Benchmarks or NIST , encryption protocols, and segmentation

Threat Detection, Incident Response, and Remediation : Design and tune SIEM alerts, use cases, and playbooks to detect and respond to ; lead containment, eradication, and recovery (IOCs) and tactics, techniques, and procedures (TTPs).

Policy, Compliance, and Audit Support : Collaborate with compliance and internal audit teams to prepare for regulatory and customer audits (, SOC 2, ISO 27001).Maintain security policy documentation, standards, and procedures aligned with business , privileged access reviews, and data classification

Vulnerability Management and Risk Assessment : Manage enterprise-wide vulnerability scanning schedules, tool administration, and result , misconfigurations, and weaknesses across cloud and on-prem , remediation progress, and SLAs.

Required Skills / Qualifications : Bachelor's degree in Cybersecurity, Computer Science, Information Systems, or a related field.7+ years of experience in cybersecurity or IT infrastructure with increasing responsibility.3+ years in a senior security engineering or architecture role, preferably within a large enterprise , managing large-scale implementations, and responding to major , cloud security (IaaS / PaaS / SaaS), and endpoint : SIEMs (, Splunk, Microsoft Sentinel)EDR / XDR (, CrowdStrike, Defender for Endpoint)Vulnerability scanners (, Tenable, Qualys)Firewall and IDS / IPS management (, Palo Alto, Cisco, Snort)Strong experience with identity and access management (IAM), privileged access management (PAM), and zero trust , forensics, and threat intelligence : NIST 800-53, ISO 27001, CIS Controls, SOC : At least one of the following : CISSP (Certified Information Systems Security Professional)GIAC (GSEC, GCIA, GCIH, or similar)Microsoft Certified : Cybersecurity Architect or SC-100Preferred Skills / Qualifications : A master's degree or continued education in cybersecurity or business (MBA) is a , CISM, AWS / Azure Security Specialty, or OSCP

Aleron companies (Acara Solutions, Aleron Shared Resources, Broadleaf Results, Lume Strategies, TalentRise, Viaduct) are an Equal Opportunity Employer. Race / Color / Gender / Religion / National Origin / Disability / Veteran.

Applicants for this position must be legally authorized to work in the United States. This position does not meet the employment requirements for individuals with F-1 OPT STEM work authorization status.