Sr. Manager, Executive Communications

About Trellix
Trellix is a global company redefining the future of cybersecurity. The company’s comprehensive, open, and native cybersecurity platform helps organizations confronted by today’s most advanced threats gain confidence in the protection and resilience of their operations. Trellix, along with an extensive partner ecosystem, accelerates technology innovation through artificial intelligence, automation, and analytics to empower over 50,000 business and government customers with responsibly architected security.

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The Executive Communications Senior Manager is responsible for shaping and delivering clear, consistent, and high-impact communications for the CEO and Executive Leadership Team (ELT). This role serves as a strategic advisor and trusted partner to senior leaders, ensuring alignment, continuity, and message clarity across executive forums and company-wide communications.

Working as part of the Corporate Communications team, and reporting to the Sr. Director of Corporate Communications, this role partners closely with Global PR, HR, and Executive Assistants to ensure leadership communications are aligned with corporate strategy, external positioning, and employee experience.

This role is not an administrative or logistics position. It is a strategic communications role focused on executive narrative, leadership presence, and message coherence at scale.

• Serve as the primary communications partner to the CEO, supporting:
• Company-wide messaging
• Leadership narratives and key themes
• CEO presentations, talking points, and written communications
• Ensure CEO communications are aligned with company strategy, values, and external positioning
• Anticipate message risks, sensitivities, and moments requiring elevated clarity or care

• Drive consistency and continuity across ELT communications, including:
• All Hands
• Strategic updates and leadership forums
• Partner with ELT members and their Executive Assistants to:
• Shape agendas and key messages
• Improve clarity, focus, and audience relevance
• Act as a connective layer across leadership communications to reduce noise, duplication, and misalignment

• Serve as a strategic advisor to executives on:
• Messaging tone, structure, and sequencing
• Audience segmentation and channel selection
• Change communications and moments of organizational impact
• Identify gaps or inconsistencies across executive communications and proactively recommend improvements
• Support executive readiness for high-visibility moments

• Partner closely with the Global PR team to:
• Align internal executive messaging with external narratives
• Ensure internal communications reflect marketing-facing positioning
• Coordinate with Corporate Communications peers on:
• Major announcements
• Crisis or issue response
• Company-wide messaging frameworks
• Provide executive communications input into broader corporate communications strategy
• Own company intranet strategy and governance within Corporate Communications, partnering closely with Brand and HR to ensure content accuracy, consistency, and alignment with executive and corporate messaging

8-12+ years experience in executive communications, corporate communications, or a related field

Demonstrated experience supporting C-level or ELT Communications

Strong executive presence and ability to advise senior leaders

Exceptional writing and storytelling skills across formats

Ability to operate with discretion, judgment, and political awareness

Experience partnering with PR, HR, and cross-functional stakeholders

Experience in high-growth or complex organizations

Background in technology, SaaS, or global organizations

Experience navigating change, transformation, or sensitive communications

Familiarity with crisis or issues management environments

Improved clarity and consistency across CEO and ELT communications

Strong executive satisfaction and trust

Reduced message overlap and noise across leadership forums

Effective alignment between internal executive messaging and external PR narratives

Clear, proactive…