Senior Information Security Engineer

** We believe talent deserves a human touch. Your application will be read by an actual person who’s excited to discover the real you.
** The Senior Information Security Engineer is responsible for implementing and maintaining the company’s security controls across MCA’s systems, client environments, and datacenter infrastructure. This role leads day-to-day security operations, vulnerability management, compliance support, and incident response efforts.
As a managed service provider, maintaining a strong security posture is critical. This role works closely with Infrastructure, Service Delivery, Applications, and leadership to ensure security standards are consistently applied and continuously improved.
** Key Responsibilities
**** Security Operations & Engineering
*** Implement and maintain endpoint, network, and datacenter security controls.
* Manage vulnerability scanning, prioritization, and remediation tracking.
* Oversee security monitoring and alert response (including SOC coordination).
* Lead technical investigations for security incidents and perform root cause analysis.
* Develop and maintain hardening standards and access control policies.
** Compliance & Risk Support
*** Support SOC audits, cyber insurance renewals, and compliance initiatives.
* Conduct internal and external Security Risk Assessments (SRAs).
* Maintain documentation, evidence collection, and policy updates.
* Assist with incident response plans and disaster recovery procedures.
** Infrastructure & Client Security
*** Secure servers, workstations, mobile devices, and virtual environments.
* Partner with Infrastructure and Service teams to integrate security into operations.
* Support client security questionnaires and pre-sales technical discussions.
** Collaboration & Continuous Improvement
*** Provide security guidance to technical teams.
* Recommend and implement improvements to strengthen security posture.
* Help foster a culture of security awareness across the organization.
** Qualifications
* *** Required
* ** 5–8+ years of experience in information security or IT infrastructure.
* Strong hands-on experience with endpoint protection, SIEM/SOC tools, and vulnerability management.
* Experience with SOC 2, NIST, CIS, ISO 27001, or similar frameworks.
* Knowledge of identity and access management, network security, and incident response.
* Experience supporting cyber insurance assessments.
* Experience needed in the following:  + EDR:
Crowdstrike  + EDR:
Huntress  + Vulnerability management:
Connect Secure  + Vulnerability management:
Tenable Nessus  + RMM/PSA:
Connectwise  + Firewalls:
Watchguard  + Firewalls:
Fortinet  + Operating Systems:
Windows Workstations, Windows Server  + Cloud: VMware Private Cloud (On Prem)  + Cloud:
Hyper V Private Cloud (On Prem)  + Cloud:
Azure
** Preferred
* ** MSP or consulting experience.
* Certifications such as CISSP, CISM, CEH, Security+, or similar.
* Experience supporting audit readiness and evidence collection.
** Success Metrics
*** Reduced vulnerability exposure and improved remediation timelines.
* Effective incident detection and response.
* Successful audit support with minimal findings.
* Improved security control maturity across endpoints and datacenter.
* Strong collaboration across technical teams.
** Compensation & Benefits
*** Salary starting at $85,000 depending on experience
* 2 weeks PTO
* Hybrid schedule (3 days on-site, 2 remote)
* Medical, Vision, and Dental Insurance Benefits
* 401(k) with Company Matching

MCA, a New Charter Technologies company, provides a fast, energetic work environment for those seeking technology careers in Chattanooga and Nashville. We’re a top technology services provider in the Chattanooga area with a solid national reputation. We believe people are our most valuable assets so we’re passionate about retaining and developing the best talent available. But more than that, we’re a tight-knit group of professionals who work collaboratively to provide the highest possible levels of customer service and support.

We treat team members with respect, providing an environment where diverse individuals have all the resources they need to perform to their full potential. In fact, we…