Job Description

OpenArc - Empowering Your Career. As a leading IT staffing firm, we are dedicated to connecting talented professionals with your ideal opportunities. We are currently seeking a qualified Senior Cybersecurity Infrastructure Architect to join our client’s organization and contribute to their ongoing success.

Job summary

Join our growing Cybersecurity team as the senior technical face of both solution development and delivery. In this role you split time between presales, consulting, and hands on design / deployment. You’ll work across a broad client base including commercial, enterprise, and regulated customers, partnering with Account Executives, and Practice Directors to shape outcomes that reduce risk and advance cloud, identity, and endpoint security maturity.

Responsibilities:

• Lead technical discovery and requirements mapping aligned to business, risk, and compliance drivers.
• Develop high level solution architectures, LOE estimates, and technical input to proposals, SOWs, and RFPs.
• Deliver client cybersecurity assessments, workshops, and roadmaps.
• Design and implement integrated Microsoft security solutions: Entra ID (MFA, Conditional Access, SSO; PIM) and Microsoft Sentinel (connectors, analytics, automation, dashboards).
• Deploy / integrate enterprise EDR: CrowdStrike Falcon strongly preferred; Microsoft Defender for Endpoint or similar acceptable (sensor rollout, policy, telemetry forwarding).
• Advise on MDR service integrations, including Arctic Wolf, Alert Logic, Expel, and comparable offerings.
• Align Zscaler / SSE policies with identity and endpoint posture.
• Contribute to vulnerability management frameworks and engagements.
• Produce runbooks, build guides, and customer ready architecture & configuration documentation.
• Present technical findings in business language to CISOs, CIOs, and non technical stakeholders.
• Map technical controls to NIST CSF, CIS Controls, ISO 27001.

Requirements:

• Cybersecurity architecture, consulting, implementation engineering, or solutions engineering. Proven success in mixed pre sales / delivery roles (discovery, demos, technical proposals, RFPs).
• Hands on deployment experience with Microsoft Entra ID and Microsoft Sentinel in production environments.
• Practical expertise with at least one enterprise EDR platform; CrowdStrike Falcon strongly preferred.
• Demonstrated ability to integrate and tune multi?platform security controls and data flows.
• Strong professional & executive communication (written, verbal, presentation).
• Familiarity with the broader Microsoft security stack (Defender XDR suite, Defender for Cloud, Purview, Entra ID Governance/PIM).
• Experience with vulnerability management platforms (Nucleus, Tenable, Qualys, Rapid7, etc.).
• Knowledge of Zscaler / SSE / SASE and alternative solutions.
• Light scripting / automation (KQL, PowerShell, JSON templates) for deployment and reporting.
• Industry recognized cybersecurity certifications (CISSP, CISM, SANS/GIAC)

At OpenArc, we prioritize your career success and strive to build exceptional technical teams for our clients. By understanding your experience and aspirations, we ensure to present you with rewarding and fulfilling opportunities.

As an employee of OpenArc and our clients, you will be eligible to participate in a comprehensive benefits package.

OpenArc is an equal opportunity employer and will consider all applications without regards to race, sex, age, color, religion, national origin, veteran status, disability, sexual orientation, gender identity, genetic information or any characteristic protected by law.

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