Triple Cities Network Solutions (TCNS) is seeking an experienced Cybersecurity Engineer to strengthen our internal and client-facing security posture. This role plays a key part in designing, implementing, and maintaining cybersecurity solutions across multiple client environments while ensuring compliance with frameworks such as CMMC, NIST 800-171, CIS Controls , and other relevant standards.
You will act as both a technical security expert and compliance advisor , working closely with our internal IT, service delivery, and client success teams to ensure that TCNS and its customers maintain the highest levels of security maturity.
Design, deploy, and maintain security tools and infrastructure for both internal and client environments (e.g., EDR, SIEM, MFA, patch management, vulnerability scanning, email security, and firewalls).
Lead threat detection and response efforts—analyzing alerts, investigating incidents, and coordinating remediation activities.
Perform regular security assessments and penetration tests to identify and mitigate vulnerabilities.
Develop and maintain secure configurations and baselines across systems, applications, and network equipment.
Serve as the primary technical lead for CMMC, NIST 800-171, and other compliance initiatives for internal systems and managed clients.
Build and maintain compliance documentation, SSPs, and POAMs.
Conduct internal and client security audits, risk assessments, and readiness reviews.
Support clients in achieving and maintaining compliance with federal and industry security frameworks.
Implement and manage security automation across monitoring and compliance systems.
Manage integrations between cybersecurity and MSP toolsets.
Develop dashboards and reporting mechanisms for ongoing compliance and security metrics.
Work with internal teams to embed cybersecurity best practices into all MSP services and projects.
Provide technical leadership and mentorship to technicians and engineers on cybersecurity processes.
Educate customers on cybersecurity hygiene and participate in client-facing meetings or security reviews as needed.
3–5+ years of hands-on cybersecurity or systems engineering experience (preferably in an MSP or multi-tenant environment).
Strong understanding of security frameworks: CMMC, NIST 800-171, and CIS.
Experience with security solutions such as EDR, SIEM, email filtering, DLP, IDS/IPS, and MFA.
Familiarity with Microsoft 365 Defender, Azure, and Intune is highly preferred.
Knowledge of scripting/automation (PowerShell, or equivalent).
Experience producing compliance documentation, audit evidence, and risk assessments.
Excellent communication and documentation skills with both technical and non-technical stakeholders.
CompTIA Security+, CySA+, or CASP+
Certified Information Systems Security Professional ( CISSP )
Certified Ethical Hacker ( CEH )
Work with a fast-growing MSP supporting diverse clients in regulated industries.
Be part of a team that values innovation, automation, and continuous improvement.
Opportunity to lead and shape cybersecurity programs across multiple organizations.
Competitive compensation, benefits, and ongoing professional development opportunities.