Enterprise Infrastructure Architect

Title : Enterprise Infrastructure Architect

LOCATION : 100% On-Site 1400 S. Grand at the Data Center , Santa Ana, CA

PLACEMENT TYPE : 6 month RTH

both the AWS and Azure certifications

INTERVIEW PROCESS : The interview process will be an initial virtual SAIC technical panel followed by a second on-site interview with OCSD IT team. Final selection will be the OCSD second level acceptance interview.

Purpose

The Sheriff’s Department seeks a highly experienced Enterprise Infrastructure Architect on a

contract basis to provide on-site infrastructure leadership and expert-level technical support. This

role is critical in supporting the department’s migration from on-premise infrastructure to a

hybrid cloud model using Microsoft Azure and Amazon Web Services (AWS). The architect will

act as a trusted SME, designing secure, scalable infrastructure and supporting operations across

both cloud and on-prem environments. The architect will also serve as a subject matter expert

and mentor, providing structured knowledge transfer and technical training to internal staff

throughout the engagement.

Position Summary

The Infrastructure Architect will work on-site at the Sheriff’s Department to lead enterprise IT

architecture strategy, design hybrid cloud infrastructure, ensure compliance with public safety

standards (e.g., CJIS), and act as a senior technical advisor to internal teams. The contractor will

be expected to work extended hours when required, particularly during system migrations,

outages, security events, or other critical maintenance windows. The architect is also expected to

provide direct mentorship, coaching, and skills development to department IT personnel to build

internal technical capability.

Key Responsibilities

1. Architecture & Strategic Planning

a. Lead the technical architecture of a secure, resilient, and scalable hybrid environment

(Azure, AWS, and on-prem)

b. Define integration strategies for legacy systems and cloud-based workloads.

c. Develop infrastructure standards, policies, and lifecycle strategies to guide

modernization.

2. Infrastructure Operations & SME Duties

a. Serve as the lead technical expert (Level 4) for infrastructure, virtualization,

networking, and cloud services.

b. Work on-site to provide hands-on leadership in system implementation, maintenance,

and performance optimization.

c. Provide after-hours support and overtime as needed during critical cutovers,

incidents, or emergency responses.

d. Act as a subject matter expert and technical mentor to IT staff, supporting internal

knowledge transfer and skill-building.

e. Mentor IT staff on Microsoft 365, Intune, Azure Backup, and Endpoint Manager

operations

3. Security & Compliance

a. Design secure architectures compliant with CJIS, NIST, and state / local law

enforcement standards.

b. Oversee identity architecture (Active Directory, Azure AD, Entra ID, AWS IAM,

MFA, RBAC).

c. Oversee the PKI infrastructure, ensure encryption, access control, auditability, and

secure connectivity across environments.

4. Cloud Integration & Migration

a. Guide the phased migration of infrastructure workloads and services to cloud

platforms.

b. Architect hybrid networking (VPN, SD-WAN, ExpressRoute, Direct Connect) and

ensure connectivity with public safety systems.

c. Utilize Infrastructure as Code (Terraform, PowerShell, CloudFormation) to automate

deployments.

5. Documentation, Training & Support

a. Maintain detailed and current documentation : diagrams, SOPs, runbooks, security

plans, recovery procedures.

b. Conduct technical knowledge transfer sessions and provide formal and informal

training to department staff.

c. Create and maintain compliance documentation for internal and third-party audits.

6. Required Qualifications

a. Minimum 8 years in enterprise infrastructure roles, with a strong focus on cloud and

hybrid environments.

b. Expert-level knowledge of Azure, AWS, on-prem virtualization (VMware / Hyper-V),

and enterprise storage.

c. Proven experience in public-sector IT or similarly regulated environments.

d. Hands-on knowledge in :

i. Virtualization (vSphere / ESXi)

ii. Enterprise Networking (Cisco, Palo Alto, Fortinet)

iii. Storage (SAN, NAS, Object Storage)

iv. Identity and Access Management

v. Hybrid Cloud Networking and Security

vi. Infrastructure automation tools : Terraform, PowerShell, ARM templates,

CloudFormation.

vii. Strong understanding of CJIS, NIST, or FedRAMP compliance frameworks.

viii. Demonstrated ability to mentor technical teams and provide structured

training in operational environments.

e. Prior experience supporting law enforcement, justice, or public safety agencies. (preferred)

f. Familiarity with RMS, CAD, body camera / evidence systems, or large data ingestion

environments. (preferred)

g. Professional certifications ( below are required ) :

i. Azure Solutions Architect Expert - Must Need

ii. AWS Certified Solutions Architect – Professional -Must Need

iii. CISSP, VMware VCAP, Cisco CCNP / CCIE (preferred, not required)

Regards

Kevin

ChaTeck Inc.

(D)

www.chateck.com

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