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Paul Hastings · 1 day ago

Senior Engineer, Unified Communications/M365

Los Angeles, CA

Full-time

Onsite

Mid, Senior Level

$109K/yr - $141K/yr

7+ years exp

Paul Hastings is a leading international law firm that provides innovative legal solutions to many of the world's top financial institutions and Fortune Global 500 companies. They are seeking a Senior Engineer for Unified Communications/M365 to architect, support, and enhance their enterprise collaboration and messaging environment, primarily focusing on email delivery operations and M365 applications.

AdviceConsultingLegal

H1B Sponsor Likely

Responsibilities

Lead the design, implementation, and support of enterprise Unified Communications solutions with a primary focus on Microsoft 365, Exchange Online, and hybrid Exchange environments

Act as the subject-matter expert for all email architecture, including on-prem and cloud routing, mailflow design, authentication, message hygiene, and deliverability

Understand and assist in administering email security platforms, including Proofpoint, supporting policies, DLP, encryption, TAP, and routing

Support and maintain Metadact for metadata scrubbing, compliance, and secure content handling

Manage and troubleshoot the complete email lifecycle, including DNS, SMTP relays, connectors, transport rules, security controls, and message tracking

Oversee hybrid Exchange configurations, connectors, coexistence, and migration activities

Provide Tier 3/4 escalation support for complex messaging and unified communications issues

Collaborate with security, infrastructure, and application teams to maintain consistent standards and ensure secure, high-performing UC services

Develop and maintain detailed system documentation, architectural diagrams, and operational runbooks

Contribute to UC strategy, roadmap planning, and lifecycle management initiatives; and

Participate in audits, risk assessments, and policy development related to messaging and collaboration technologies

Qualification

Microsoft 365Exchange OnlineProofpointEmail architectureHybrid ExchangeMetadactTelephony/VoIPSharePoint OnlinePowerShellEmail securityAnalytical skillsProblem-solving skillsCommunication skillsCollaboration skillsMentoring

Required

Bachelor's degree in Information Technology, Computer Science, or related field (or equivalent experience)

Certifications such as: Microsoft 365 Certified: Messaging Administrator; MCSE / MS-100 / MS-203; Proofpoint Certified Specialist; Relevant UC or security certifications

7+ years of experience in Unified Communications, Messaging, or Microsoft 365 engineering roles

Expert-level knowledge of Microsoft 365, Exchange Online, Exchange Hybrid, and core mailflow components

Hands-on experience with Proofpoint email security solutions

Working proficiency with Metadact or other metadata-scrubbing solutions

Deep understanding of the full email journey, including DNS, SMTP, SPF/DKIM/DMARC, TLS, routing topologies, and mail hygiene

Strong capability in diagnosing, troubleshooting, and resolving complex email and UC issues across hybrid architectures

Solid understanding of identity and security technologies: Azure AD, OAuth, conditional access, MFA, etc

Experience with PowerShell or similar scripting for automation and system administration

Strong communication and documentation capabilities

Ability to lead projects and mentor junior engineers

Excellent analytical, problem-solving, and troubleshooting skills

Collaborative mindset with a focus on service quality and resiliency

Preferred

Experience with telephony/VoIP systems, such as Microsoft Teams Phone, Cisco, Avaya, or similar

Working knowledge of SharePoint Online, including permissions, site architecture, and administration

Benefits

Medical, Dental, Vision, Life/AD&D, Long Term Care, and Short- and Long-Term Disability

Flexible Spending Accounts and Health Savings Account

Healthcare Concierge and Advocacy

Lifestyle Spending Account

Voluntary 401(k) Plan and Profit Sharing

10 Paid Holidays per year and a generous PTO Program

Family Support including Paid Parental Leave, Fertility Benefits, Breast Milk Shipping, Back-up Child Care, Elder Care, and Tutoring

Wellbeing programs (Employee Assistance Program, Relationship Support, Mental Health, Menopause and Midlife Health and Well-Being Events)

Retirement Plan Consulting

Anniversary Bonus Program

Professional Development Programs

Transportation and Commuter Benefits

International Travel Insurance

Critical Illness, Hospital Indemnity and Accident Insurance

Auto/Home/Pet Insurance

Prepaid Legal Insurance

Employee Discounts

And More!

Company

Paul Hastings

Glassdoor3.5

Paul Hastings is an international law firm that provides legal solutions to many financial institutions and Fortune 500 companies.

Founded in 1951

Los Angeles, California, USA

1001-5000 employees

http://www.paulhastings.com/

H1B Sponsorship

Paul Hastings has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)

Distribution of Different Job Fields Receiving Sponsorship

Represents job field similar to this job

Trends of Total Sponsorships

2025 (14)

2024 (16)

2023 (11)

2022 (14)

2021 (10)

2020 (13)