Senior Security Client Solutions Architect – Microsoft

Who You Are

You’re a Microsoft Security strategist who connects business risk, regulatory requirements, and the Microsoft security ecosystem into cohesive, outcome-driven solutions. You are equally comfortable in executive conversations and deep architectural design sessions, translating complex security capabilities into clear, actionable road maps.

You naturally think in Zero Trust patterns and understand how identity, endpoint, cloud, data, and security operations interconnect within the Microsoft stack. You can lead discovery, shape deal strategy, and produce high-quality client-ready deliverables that accelerate services revenue while ensuring solutions are implementable and operationally sustainable.

You operate independently, partner closely with sales and delivery teams, and mentor others to elevate Microsoft security architecture and consultative practices across the organization.

About The Role

The Sr. Security CSA (Microsoft Security) leads solution strategy for complex Microsoft-centric engagements. You will drive executive discovery, design integrated Microsoft Security architectures, and develop multi-phase roadmaps aligned to measurable business outcomes.

This role partners closely with Account Executives and practice leaders to qualify opportunities, shape deal strategy, increase services attach rates, and expand scope through cross-sell and recurring services.

You will serve as a trusted advisor to clients, an escalation points for complex designs, and a mentor to internal teams.

Must be based in the United States. Travel ranging from 40% to 80 % may be required.

Other responsibilities include:

• Lead executive-level Microsoft Security discovery workshops focused on risk reduction, compliance alignment, and operational maturity
• Serve as the Microsoft Security solution strategist across opportunities and active engagements
• Design and validate end-to-end architecture leveraging:
• Microsoft Defender XDR (Endpoint, Identity, Office 365, Cloud Apps)
  • Microsoft Sentinel
  • Microsoft Purview (Information Protection, DLP, eDiscovery)
  • Microsoft Entra (ID Governance, Conditional Access)
  • Intune
  • Azure security controls
  • Zero Trust architecture patterns
• Develop multi-phase security roadmaps connecting assessment findings to prioritized initiatives and measurable business outcomes
• Build and review Statements of Work (SOWs), proposals, service descriptions, and Bills of Materials (BOMs)
• Partner with Account Executives to qualify opportunities, refine positioning, articulate ROI, and shape deal strategy
• Identify expansion opportunities and drive recurring services (managed services, retainers, roadmap execution)
• Drive cross-sell and up-sell of complementary partner technologies when they enhance the overall architecture
• Act as escalation point for high-risk or complex Microsoft Security designs
• Produce client-ready deliverables including executive summaries, architecture diagrams, implementation plans, and runbooks
• Mentor CSAs and engineers in consultative discovery, Microsoft security architecture patterns, and executive communication
• Complete ongoing security awareness training and comply with company policies to the requirements section
• Contribute to internal enablement assets including reference architectures, templates, playbooks, and repeatable go-to-market offerings
• Identify and escalate security risks to the appropriate Executive Leadership Team member and actively contribute to remediation efforts
• Other duties as assigned

Success Criteria (First 6-12 Months)

• Consistently leads Microsoft Security-centric discovery and solution strategy for complex opportunities and engagements
• Increases services attach rate and average deal size by shaping multi-phase roadmaps and expanding scope appropriately
• Produces high-quality, low-revision SOWs and proposals that accelerate deal velocity and reduce delivery risk
• Build trusted-advisor relationships with client security leaders and aligns recommendations to measurable outcomes
• Improves team capability through mentoring and by delivering reusable assets (reference architectures, templates, playbooks)

Desired skills and experience:

• 7–10+ years of experience in security architecture, consulting, or security engineering
• Demonstrated hands-on expertise across the Microsoft Security stack (Defender, Sentinel, Purview, Entra, Intune, Azure Security)
• Proven experience writing and defending SOWs and proposals for security services
• Strong understanding of Zero Trust architecture and security frameworks (NIST CSF, NIST 800-53, CIS Controls)
• Experience designing across multiple security domains (identity, endpoint, cloud, data, email, network/perimeter, monitoring/response)
• Strong business acumen with the ability to identify expansion opportunities and quantify value
• Executive presence and exceptional written, verbal, and visual communication skills
• Experience mentoring technical professionals and elevating consultative selling practices

Preferred Certifications:

• Microsoft: SC-100, AZ-500, SC-200, SC-300, SC-400, MS-500 (or equivalent)
• Industry: CISSP, CISM, CCSP, GIAC (GCIA, GCED, GCIH), or similar

A Little About Us

Our mission is to challenge and enable our employees to achieve great things.

We live and breathe our core values:

• We Before Me: We demonstrate empathy through our actions and solicit diverse voices and opinions. We put ourselves in each other’s shoes, readily admit our mistakes, and generously share our time and knowledge.

• Dare To Be Great: We are big-picture thinkers who focus on solutions to problems. We solicit and offer actionable feedback to others without hesitation. We embrace opportunities to improve ourselves, our teams, and our work. We aim to be the best of the best.

• Own It: We set clear expectations, communicate proactively, and follow through on our commitments. We take pride in the experiences we create and the outcomes we deliver. We are personally invested in the success of our team and our clients. We iterate to deliver ever better results.

We are consistently listed among Inc & Crain's "Best Places to Work" and we're proud of our accessible & engaged executive team. We believe in cultivating an atmosphere of inclusion and providing an environment that enables every employee to work to the best of their ability.

Some of Our Benefits

• Unlimited Paid Time Off (PTO)
• Incentive compensation plans for all employees
• Company-funded 401k contributions
• Zero-cost employer-covered health insurance
• Annual BYOD (Bring Your Own Device) reimbursement up to $500
• Paid Parental Leave
• Transparent, candid culture with 1:1 coaching, performance reviews, and a consistent feedback loop
• Quirky, diverse, respectful, high-performing coworkers you’ll want to achieve greatness with!

Pursuant to the NYC Pay Transparency Law, the base salary range in New York City for this position is $250,000- $300,000 OTE (base salary plus opportunities for bonus and/or commission). Compensation in other geographies may vary.

Myriad360 is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected veteran status, age, or any other characteristic protected by law.