Marketing Leader

Position Overview

GSI Environmental Inc. (GSI) seeks a Marketing Leader to join our growing team. This in-person leadership role will set the strategic direction for marketing, mentor and develop a team, and work closely with firm leadership to support long-term growth.

The right candidate will enjoy a competitive compensation and benefits package, the opportunity for a substantial performance-based bonus, direct engagement with firm leadership, and the autonomy to build, evolve, and scale the firm’s marketing function within a collaborative, entrepreneurial environment.

About Us

We are a privately held, employee-owned company offering superior compensation, benefits, and professional development. GSI is highly respected nationally and internationally for the quality of its professional environmental services and the technically advanced projects it has completed over its 40 years of operation. GSI leadership promotes a collaborative, fun, and growth-oriented workplace, resulting in strong staff retention and high client satisfaction.

GSI employs cross-disciplinary teams of environmental engineers and scientistsfocused on bringing innovative solutions to our clients’ toughest environmental challenges pertaining to water resources, air quality, land restoration, sustainability, renewable energy, ecological services, data science, toxicology, and energy and critical minterals production.Headquartered in Houston, Texas, GSI operates offices in Texas (Austin and Houston), California (Irvine, the San Francisco Bay Area, and Folsom), Colorado (Denver), Washington (Olympia), Montana (Missoula and Helena), Georgia (Atlanta), North Carolina (Raleigh), Virginia (Herndon), and New York (Syracuse), with remote staff located throughout the US. Our talented staff of environmental professionals performs projects nationwide and internationally.

Key Responsibilities

Strategic Leadership and Collaboration

• Lead firmwide marketing strategy with a forward-thinking, innovative mindset; partner with executive and BD leadership to align marketing priorities with firmwide goals.
• Serve as a strategic advisor to technical, BD, and practice leaders; provide insight on trends, positioning, competitors, and client expectations.
• Shape and evolve the firm’s brand identity, messaging, and market presence across all marketing channels.
• Guide long-term planning for marketing team structure, technology, and processes.
• Collaborate across departments to champion a cohesive, consistent story and client-facing experience.
  
  

Business Development Alignment

• Work closely with GSI Principals to strengthen capture strategies, go/no-go processes, and competitive positioning.
• Collaborate on proposal, pursuit, and presentation strategy—ensuring quality, brand consistency, and win-focused messaging.
• Support client engagement initiatives including events, conferences, outreach campaigns, and relationship-building programs.
  
  

Content, Branding, and Creative Direction

• Oversee development of marketing materials including proposals, qualifications, brochures, digital campaigns, reports, and presentations.
• Lead content strategy for website, social media, thought leadership, and email marketing to elevate visibility and differentiate the firm.
• Ensure all materials meet brand standards, quality expectations, and narrative alignment.
• Provide creative direction for campaigns, videos, digital assets, and event collateral.
  
  

Digital Marketing and AI-Driven Innovation

• Implement and oversee digital marketing campaigns (social, email, SEO/AEO strategies, analytics dashboards, etc.).
• Evaluate and integrate AI tools for content development, automation, analytics, personalization, and enhanced marketing productivity.
• Establish workflows to support AI adoption and literacy within the marketing team and across the firm.
• Monitor performance metrics and optimize campaigns based on analytics, insights, and industry best practices.
  
  

Team Leadership and Operations

• Lead, mentor, and develop a high-performing marketing team; support professional development and upskilling.
• Oversee marketing operations, including workflow management, resource planning, and quality assurance.
• Manage vendor relationships (designers, printers, consultants, event support, etc.).
• Create repeatable, scalable processes for proposal support, content creation, and multichannel campaign execution.
• Set and manage the annual marketing budget, recommending strategic investments in tools, technology, and resources.
  
  

Events, Conferences, and Industry Engagement

• Plan and oversee conferences, sponsorships, speaking opportunities, and networking events to drive visibility and engagement.
• Manage coordination of marketing collateral for industry events and BD opportunities.
• Identify opportunities for strategic partnerships and market engagement.
  
  

Qualifications/Experience

• 15 years of progressive marketing experience, including 3 years in a leadership role.
• Bachelor’s degree in Marketing, Communications, Business, or a related field required.
• Experience in consulting or professional services; A/E/C industry experience strongly preferred.
• Demonstrated expertise in strategic planning, content development, brand management, and digital marketing.
• Strong understanding of CRM tools, marketing automation platforms, and analytics dashboards.
• Experience in proposal development and pursuit strategy (RFQs/RFPs), ideally within A/E/C.
• Advanced proficiency with MS Office and marketing tools (Adobe Creative Suite, HubSpot, or similar platforms).
• Demonstrated success mentoring teams, managing multiple priorities, and leading complex marketing initiatives.
• Strong communication and storytelling abilities, with the capacity to translate highly technical information into compelling narratives.
• Curiosity and comfort with emerging technologies, including AI-driven marketing applications.
  
  

Location

In-office position based in Houston, Texas (77098).