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.
Key Responsibilities
Security Engineering & Operations
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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).
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Lead threat detection and response efforts—analyzing alerts, investigating incidents, and coordinating remediation activities.
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Perform regular security assessments and penetration tests to identify and mitigate vulnerabilities.
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Develop and maintain secure configurations and baselines across systems, applications, and network equipment.
Compliance & Risk Management
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Serve as the primary technical lead for CMMC, NIST 800-171, and other compliance initiatives for internal systems and managed clients.
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Build and maintain compliance documentation, SSPs, and POAMs.
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Conduct internal and client security audits, risk assessments, and readiness reviews.
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Support clients in achieving and maintaining compliance with federal and industry security frameworks.
Automation & Tools
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Implement and manage security automation across monitoring and compliance systems.
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Manage integrations between cybersecurity and MSP toolsets.
• Develop dashboards and reporting mechanisms for ongoing compliance and security metrics.
Collaboration & Education
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Work with internal teams to embed cybersecurity best practices into all MSP services and projects.
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Provide technical leadership and mentorship to technicians and engineers on cybersecurity processes.
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Educate customers on cybersecurity hygiene and participate in client-facing meetings or security reviews as needed.
Required Skills & Qualifications
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3–5+ years of hands-on cybersecurity or systems engineering experience (preferably in an MSP or multi-tenant environment).
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Strong understanding of security frameworks: CMMC, NIST 800-171, and CIS.
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Experience with security solutions such as EDR, SIEM, email filtering, DLP, IDS/IPS, and MFA.
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Familiarity with Microsoft 365 Defender, Azure, and Intune is highly preferred.
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Knowledge of scripting/automation (PowerShell, or equivalent).
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Experience producing compliance documentation, audit evidence, and risk assessments.
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Excellent communication and documentation skills with both technical and non-technical stakeholders.
Preferred Certifications
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CompTIA Security+, CySA+, or CASP+
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Certified Information Systems Security Professional ( CISSP )
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Certified Ethical Hacker ( CEH )
Why Join TCNS
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Work with a fast-growing MSP supporting diverse clients in regulated industries.
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Be part of a team that values innovation, automation, and continuous improvement.
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Opportunity to lead and shape cybersecurity programs across multiple organizations.
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Competitive compensation, benefits, and ongoing professional development opportunities.