Senior Security Engineer

Role: Senior Security Engineer (Consultant)

Senior Security Engineer Consultant at Reactforce supporting hands-on security consulting engagements. This is a part-time 1099 contract-to-hire role with the opportunity to transition to full-time as the company grows.

Responsibilities

• Design, deploy, configure, and support enterprise cybersecurity solutions across diverse client environments
• Implement and manage security technologies such as:
  • EDR/XDR, SIEM, MDR
  • Firewalls, secure email, web filtering
  • Identity security and vulnerability management platforms
• Perform security assessments, technical reviews, vulnerability remediation, and security hardening
• Lead implementations for Microsoft security initiatives, including:
  • Microsoft 365 Security, Microsoft Defender
  • Microsoft Entra ID, Conditional Access, MFA
  • Privileged Identity Management (PIM)
  • Zero Trust initiatives
• Deploy and optimize network security controls (e.g., next-gen firewalls, VPNs, segmentation, secure remote access)
• Investigate security incidents and support containment, remediation, and recovery
• Partner with Reactforce vCISOs to implement security roadmaps and technical recommendations
• Provide technical leadership and act as a senior escalation resource during engagements
• Produce technical documentation, implementation guides, security standards, and client deliverables
• Stay current on emerging threats, vulnerabilities, and security technologies

Requirements

• 7+ years of hands-on cybersecurity engineering experience (enterprise, MSP, MSSP, or consulting)
• Strong experience with Microsoft security stack:
  • Microsoft Defender
  • Microsoft Entra ID (Azure AD)
  • Microsoft 365 Security
  • Conditional Access, MFA, identity protection
• Experience with SIEM/MDR/XDR, endpoint security, vulnerability management, email security, and security monitoring
• Experience deploying/supporting next-generation firewalls (Fortinet, Palo Alto, Cisco, or similar)
• Strong networking fundamentals (TCP/IP, DNS, VPNs, routing/switching, secure network design)
• Cloud security experience in Microsoft Azure and/or AWS
• Strong troubleshooting, documentation, communication, and client-facing consulting skills
• Ability to independently lead technical implementations and security projects

Preferred Qualifications

• Security certifications: CISSP, CCSP, Security+, GIAC, Microsoft security (SC-200/SC-300/SC-100), Azure certs, Fortinet NSE, Palo Alto PCNSE
• Compliance experience with frameworks/standards such as NIST CSF/800-53/800-171, CMMC, CIS Controls, HIPAA, PCI DSS, SOC 2, ISO 27001
• Vulnerability management tools (Tenable, Qualys, Rapid7)
• Prior consulting/professional services experience
• Experience working with SOC, incident response, and managed security teams

Engagement Details

• Remote, U.S.-based
• Part-time, 1099 (contract-to-hire)
• Compensation: $70–$95 per hour (billable client work)