Senior Security Engineer

Job in Nashville, Davidson County, Tennessee, 37247, USA

Listing for: KYZEN Corporation

Full Time position
Listed on 2026-09-25

Job specializations:

IT/Tech
Cybersecurity, Information Security & Data Protection, Network Security, Security Management & Operations

Salary/Wage Range or Industry Benchmark: 90000 - 130000 USD Yearly USD 90000.00 130000.00 YEAR

The Security Engineer is responsible for establishing, monitoring, and improving the organization’s information security posture. This role will work closely with IT infrastructure teams to secure systems, respond to security incidents, and implement best practices across cloud and on-prem environments. Issue tickets received from the ticketing system will be escalated by the Support Engineer if the issue is related to the skillset and there is no repeatable resolution.

Security

Operations

Monitor and respond to security alerts across Microsoft 365, and other relevant IT platforms
Investigate suspicious activity and coordinate incident response
Track and document security events and remediation actions
Consistently seek to improve the hardening of the organizations security posture

Identity & Access Management

Maintain and enhance identity provider security controls (M365 Security)
Conduct periodic access reviews and privilege audit
Assist with secure onboarding/offboarding processes
Manage Microsoft Defender (Endpoint, Office 365, Identity)
Maintain email security platforms
Enforce endpoint compliance and hardening standards

Vulnerability Management

Identify, track, and remediate vulnerabilities across systems
Work with IT team members to ensure timely patching and updates (coordination for server/endpoint and network patches with appropriate SME)
Perform periodic security assessments

Governance & Compliance

Assist in the development of security policies and procedures
Promote security awareness and best practices across the organization
Coordinating user awareness training
Documenting processes for standard procedures and implementing standardization

Required Skills & Experience

Experience and knowledge of Microsoft 365 ecosystem security offerings
Understanding of identity security providers and how to prevent unauthorized entry
Knowledge of endpoint security principles
Familiarity with networking and firewall security concepts
Experience with email security platforms
Experience with SIEM, vulnerability scans, and incident response management.

Preferred Qualifications

Security certifications (Security+, AZ-500)
3-5 years of professional experience managing security-related solutions.
Knowledge of compliance frameworks (PCI-DSS, NIST, CIS)