Senior Marketing Communications Specialist

Job Description

About Coresite:

At CoreSite, we empower a more connected future through high-performance data centers and interconnection solutions. Recognized as a trusted partner in digital transformation, our strategically located facilities and innovative services enable businesses to connect, collaborate, and grow in an ever-evolving technological landscape.

Our culture is defined by operational excellence and a relentless drive for innovation. We foster a collaborative environment where every team member is valued, wins are celebrated as a team, and ownership is part of our DNA. At CoreSite, we’re not just building state-of-the-art infrastructure—we’re creating a community of forward-thinkers committed to solving complex challenges and delivering exceptional customer experiences.

At CoreSite not only are we Committed to Excellence, but we also Build Connections, Own It, Do the Right Thing, Have Fun, and Win as a Team. Join us and be part of a team that is shaping the future of digital infrastructure while nurturing your professional growth and success.

Senior Marketing Communications Specialist:

As a member of the Marketing team the Senior Marketing Communications Specialist is responsible for leading content development fueling CoreSite’s demand generation engine and elevating brand equity. This role will draw on industry experience and communication skills to write, edit and manage a variety of vehicles that communicate the value CoreSite delivers to its customers and partners. Collaborating with multiple CoreSite stakeholders, the Senior Marketing Communications Specialist is responsible for developing innovative, compelling content, managing resources, ensuring assignments align with departmental budget and CoreSite’s relevant content lifecycle management.

Duties:

• Partner with the Marketing leaders to execute CoreSite’s content strategies using a combination of human expertise and AI-assisted research for optimization and performance analysis.
• Translate complex data center, cloud, AI infrastructure and interconnection concepts into clear, value-driven messaging tailored to technical and business audiences.
• Work cross-departmentally with demand generation teams, channel sales to conceive and develop sales enablement tools.
• Conceive, execute and continually enhance CoreSite’s blog strategy, incorporating AI-informed topic research and trend analysis.
• Plan and manage CoreSite’s blog editorial calendar, internal and external contributors and content execution.
• Manage internal contributors and external/contract writing resources throughout the content development lifecycle (blogs, whitepapers, thought leadership articles).
• Write compelling content in a variety of formats (blogs, infographics, video scripts, e-books, white papers, tech briefs, case studies, web copy and content, digital and print ads, tag lines, brand messaging, etc.).
• Leverage generative AI tools for content ideation, research synthesis and headline or message testing, while personally authoring all full-length blogs, white papers, thought leadership and other key assets to ensure CoreSite’s voice remains differentiated, authentic and credible.
• Identify opportunities to cultivate senior executive thought leadership and develop content targeting key brand personas.
• Collaborate with CoreSite’s Designer to create visually compelling content.
• Collaborate on CoreSite’s content usage and lifecycle specific to assigned projects and in general (e.g. gated vs. ungated).
• Collaborate across the marketing organization to ensure content needs are met (tradeshows, sales development emails, etc.).
• Partner with the sales organization to develop effective sales enablement tools
• Apply AI-based SEO, keyword research and content optimization to improve discoverability, engagement and conversion across all channels.
• Report on content usage and engagement rates and continually optimize content to ensure effectiveness.
• Manage relationship with external vendors including writers, videographers and publications.
• Ongoing professional development.
• Other projects and duties as assigned.
• Promote and demonstrate the behaviors consistent with CoreSite’s culture and core values.

Knowledge, Skills and Abilities:

• Ability to thrive in a hybrid work environment, with regular on-site presence of up to 2 days per week.
• Flexibility to travel up to 10%, with the potential for increased travel or in-office presence as business needs evolve.
• Exceptional writing and storytelling skills, with the ability to articulate business value and customer outcomes for complex technologies using best-practice business writing
• Exceptional editing skills, with high attention to detail and strong editorial judgment
• Collaborative ideation and creative skills
• Collaborative and creative communicator, able to ideate effectively across teams
• Proven ability to work cross-functionally at all levels of the organization, including interviewing subject matter experts and serving as a ghostwriter
• Knowledgeable of concepts including buying cycle, persona-based content strategies and effective sales enablement
• Ability to plan and manage multiple projects and work under tight deadlines, when necessary
• Proficient in the use of SEO optimization tools such as SemRush, Google Analytics, HREFs
• Experience developing and implementing AEO and GEO content to help CoreSite build authority for large AI models such as ChatGPT and Gemini
• Deft research of industry analyst insights to enhance content credibility
• Basic knowledge of SEO-related website backend elements (metadata, HTML)
• Ability to mentor colleagues on effective communication tactics
• Ability to use content and design tools, such as Canva, Adobe Suite and Microsoft to support digital and social campaigns
• High-level understanding of social media strategies and tactics
• Willing to complete writing exercise without AI assistance to demonstrate ability and business acumen

Education/Experience:

• Strongly preferred bachelor’s degree in marketing, Communications, English or related field
• At least 6 years of back-to-back marketing experience with broad experience in data center technologies, industry trends
• Broad experience with content development, including both copywriting and design
• Experience partnering with sales, product, executives, engineers and customer service teams

Physical Demands:

The physical demands described here are representative of those that must be met by an employee to successfully perform the job’s essential functions. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions.

While performing the job’s duties, the employee is occasionally required to stand; walk, sit, use hands to handle or feel objects, reach with hands and arms, climb stairs, balance, stoop or kneel, talk, and hear. The employee must occasionally lift and/or move up to 25 pounds. Ability to travel is required.

Compensation:

Compensation for this role includes a base salary between $93,700 to $102,700 annually. This role is also eligible for an annual bonus and equity, based upon individual and company performance.

Posting Timeline:

This position is expected to be posted through March 16, 2026.

Not only does CoreSite have a fun, team-focused work environment, but we also offer great benefits to all employees regularly scheduled to work more than 20 hours a week!

• First-day medical insurance through Cigna with generous premium cost coverage
• Dental insurance through Delta Dental
• Vision insurance through VSP
• Telemedicine through MDLive for Cigna
• Healthcare and dependent care flexible spending account (FSA) plans
• Health saving account (HSA) plans for employees participating in the High Deductible Health Plan
• Life, AD&D, short-term disability, and long-term disability insurance fully paid by the company
• Voluntary coverage benefits for supplemental life, critical illness, accident, and hospital insurance
• First-day eligibility for 401(k) savings plan through Fidelity, which includes an attractive matching company contribution with a 5% company match
• Discretionary annual bonus and equity incentive plan
• Employee stock purchase plan (ESPP) with a 15% discount
• 16 days of paid time off (PTO)11 paid company holidays and additional floating holidays
• Additional paid time off for school events, elder care, volunteering, bereavement, jury duty, voting, parental leave and disability leave
• Free parking or a company contribution toward a public transit pass

Additional Perks

• Wellness Reimbursement Program: Yearly stipend of $500 for employees and $300 for dependents, up to $800 total for the family
• Wellness Incentive Program: Participate in various wellbeing activities to earn up to $450 per year in cash incentives
• Technology Stipend: $100 monthly stipend.
• Educational Reimbursement Program: Work-related learning and development with reimbursement on qualifying degree programs, up to $5,250 per year
• Giving Back: Charitable donation matches up to $5,000 per year and nominate organizations for Company Foundation grants
• Financial Management: Access to financial coaching, digital tools and services to manage and pay student loan debt quicker
• Pet Insurance: Keep your furry friends healthy and happy
• Family Planning: Benefits and services related to fertility, pregnancy, menopause, adoption and surrogacy
• Employee Assistance Program: 24x7 service to support family, work, money, health, legal and life challenges
• Counseling and Caregiving Programs: Including access to mental health services, licensed counselors, and caregiving tools including membership for finding care.
• Referral Bonus: Receive a $3,000 cash bonus if referred candidate is hired and meets eligibility requirements
• Discounts: Discounts, cash back offers and perks on thousands of brands
• LinkedIn Learning Membership: Support your development when accessing LinkedIn’s online library of courses and videos

General Statements -

Applicants must be currently authorized to work in the United States on a full-time basis. The employer will not sponsor applicants for work visas.

Please note that all offers of employment are contingent upon the successful completion of a background check and, where permitted by law, a 5-panel drug test conducted after the offer letter is signed, which will screen for THC, opiates, PCP, cocaine, and amphetamines. Thank you for your understanding and cooperation.

Applicant Privacy Notice: CoreSite is committed to protecting the privacy and security of personal information submitted by applicants. The California Consumer Privacy Act (CCPA) requires us to provide you information about our personal information handling practices. As a result, we’re providing this Privacy Notice that describes how we collect, use, share, and update personal information from individuals who wish to be considered for employment with CoreSite. To read the Applicant Privacy Notice, please go to .

Unauthorized reproduction or distribution of this job posting on external sites is prohibited without prior written consent from CoreSite. We are not responsible for any postings or offers not originating from our official channels or approved partners.