Enterprise Architect

At CitiusTech, we constantly strive to solve the industrys greatest challenges with technology, creativity, and agility. With over 8,500 healthcare technology professionals worldwide, CitiusTech powers healthcare digital innovation, business transformation, and industry-wide convergence for over 140 organizations through next-generation technologies, solutions, and products. We aim to accelerate the transition to a human-first, sustainable, and digital healthcare ecosystem with the worlds leading Healthcare and life sciences organizations and our partners. Here is an opportunity for you to make a difference and collaborate with global leaders to shape the future of healthcare and positively impact human lives.
Our vision: -
To inspire new possibilities for the health ecosystem with technology and human ingenuity.
What is in it for you?
As a Onshore Platform Enterprise Architect, you will be a part of an team to Owns the end-to-end platform architecture and target operating model for a multi-tenant SaaS platform on AWS. Sets the reference architecture, guardrails, non-functional requirements (NFRs), and evolution of roadmap spanning application, data, security, DevSecOps, and cost optimization. Partners with business and compliance (HIPAA rules) to ensure scalability, resilience, and auditability
Responsibilities: -
Define north‑star architecture, standards, and reference implementations; maintain roadmaps.
Define and maintain multi-tenant SaaS reference architecture (tenant isolation, metadata, routing, billing/chargeback, service quotas).
Lead architecture reviews, trade‑off decisions, and architecture runway for SAFe trains.
Partner with security/compliance on HIPAA/HITRUST controls by design.
Work closely with product management, design, and other cross-functional teams to align technical and product roadmaps
Provide detail & high-level oversight of overall solution & system architecture, technical direction
Establish the microservices architecture for .NET on EKS with Istio (service mesh, mTLS, traffic policies, resiliency patterns, rate limiting).
Define case management & rules architecture (e.g., Camunda)—modeling state machines, SLAs, timers, and human tasks.
Govern data architecture: RDS (Aurora Postgres/MySQL), RDS Proxy, Redis/ElastiCache, S3 for DMS, object lifecycle, encryption, partitioning, multi-tenant data isolation strategies (pooled vs silo vs hybrid).
Drives security & compliance architecture: HIPAA, PHI, IAM boundaries, KMS, TLS, tokenization, audit trails, immutable logs (CloudTrail/Lake, OpenTelemetry).
Drive Well-Architected (WAF) reviews across SaaS Lens, Modernization, App Migration; define NFR SLOs (availability, latency, RTO/RPO).
Define observability strategy: tracing, logging, metrics, SLO error budgets, synthetic checks; golden signals.
Establish DevSecOps blueprint: pipelines, IaC (Terraform/CDK), policies-as-code, SBOM/SCA, container supply chain security.
Set platform roadmaps for capabilities: email monitoring/response, DMS, scheduling system, auditing, and reporting/analytics.
Chair Architecture Review Board and ensure adherence to standards via architecture runways and ADRs.
Govern APIs/microservices, eventing, data mesh, zero‑trust, and multi‑cloud landing zones.
Experience: -
15+ Years
Location: -
This role is remote-friendly. Candidates must reside in or be authorized to work in the United States.
Educational Qualifications: -
Engineering Degree – BE/ME/BTech/MTech/BSc/MSc.
Technical certification in multiple technologies is desirable.
Skills: -
Mandatory skills
15–22+ years overall, 5+ years as an enterprise/platform architect for SaaS on AWS.
Kubernetes + Istio production experience (mTLS, gateways, sidecars, traffic policies, retry/breakers).
Multi-tenant patterns (siloed vs pooled DB schemas, tenant-aware routing, per-tenant encryption keys, tenant throttling).
.NET microservices, DDD, event-driven architecture, outbox/eSaga patterns.
BPMN/workflow/rules engines (Camunda), and case management design.
Security/compliance for healthcare (HIPAA/PHI) and US regulatory understanding for No Surprises Act IDR.
FinOps/Cost modeling and capacity planning.
Have know-how and experience working with Azure
Nice-to-have Certifications
AWS Certified Solutions Architect – Associate / Professional, CKA/CKS.
Works with: Business, Cloud Solution Architect, Security/Compliance Lead, Product, Platform Eng, SRE, Data/Analytics.
The estimated salary range for this position is $150,000 to $175,000 annually. Final compensation will be based on experience, skills, and location. We offer a comprehensive benefits package including medical, dental, and vision insurance, paid time off, parental leave, and other benefits.
Disclosures:
If you require assistance or accommodation during the application process due to a disability, please contact @ View email address on click.appcast.io. This posting complies with applicable pay transparency laws in states such as California, Colorado, New York, New Jersey, Illinois, and others.
CitiusTech is an Equal Opportunity Employer. We celebrate diversity and are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, gender, gender identity or expression, sexual orientation, national origin, genetics, disability, age, or veteran status.
Life at CitiusTech
We focus on building highly motivated engineering teams and thought leaders with an entrepreneurial mindset, centered on our core values of

Passion, Respect, Openness, Unity, and Depth (PROUD) of knowledge . Our success lies in creating a fun, transparent, non-hierarchical, diverse work culture that focuses on continuous learning and work-life balance.
Rated by our employees as the

‘Great Place to Work

for’ according to the Great Place to Work survey. We offer you a comprehensive set of benefits to ensure that you have a long and rewarding career with us.
Our EVP
Be You Be Awesome

is our EVP and it reflects our continuing efforts to create CitiusTech as a great place to work where our employees can thrive, both personally and professionally. It encompasses the unique benefits and opportunities we offer to support your growth, well-being, and success throughout your journey with us and beyond. Together with our clients, we are solving some of the greatest healthcare challenges and positively impacting human lives. Welcome to the world of Faster Growth, Higher Learning, and Stronger Impact. Join CitiusTech.

Be You. Be Awesome.

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