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Syska Hennessy

Sustainability Specialist III - Senior Sustainability Specialist - Energy Modeler

Los Angeles · San Diego

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hirly's read of this role

Seniority
Senior
Stated salary
$83,234 – $145,069 per year
Country
US
Work mode
Remote-friendly
First seen by hirly
1 Oct 2026

Derived automatically from the posting. Upload your resume above to see how the role scores against it.

the posting

Watch your work come to life in landmark projects around the world when you partner with Syska Hennessy Group. As a global leader in consulting, engineering, and commissioning services, we provide decarbonization and healthy building solutions across our design services that include MEP, information and communication technology, architectural lighting, and vertical transportation. Our building science group is looking for a Sustainability Specialist III- Senior Sustainability Specialist to join our Los Angeles or San Diego office.

Working from either our Los Angeles or San Diego offices (or both!), we are looking for regional leadership from design competition through project delivery for projects from various sectors from around the world. Syska has a strong presence in aviation, higher-education, civic, healthcare, mission critical, as well as the commercial office market. By applying your knowledge of building systems, energy, carbon, daylighting, & occupant health, our projects can meet the moment and will ensure your success in this role.

Our dynamic work environment provides the optimal setting to take your career to the next level. From our supportive culture, diverse workforce, and competitive compensation and fun social events, it is everything you will need for an exciting, challenging, and rewarding career.

Job Responsibilities

As a Sustainability Specialist III- Senior Sustainability Specialist, you will be a part of the national High-Performance Solution Team and provide regional leadership. The HPS team delivers full service high-performance building support; this includes ideation, qualitative consultancy, quantitative analysis and communication across all aspects of building systems. Energy modeling using IES-VE is our heavy lifting tool, but our differentiator is an approach that sees each building as a unique set of challenges, and we help to identify the best bespoke solution. In support of the firm’s commitment to the MEP 2040 Challenge, you will be integral to driving our electrification and decarbonization efforts by acting as a consultant to your teammates and clients. You will regularly interact with other HPS team members and MEP engineers in the local offices and around the firm on project engagements.

Responsibilities will include, at a minimum:

Whole building energy modeling

Energy efficiency measure analysis

Net Zero Energy/Carbon roadmapping

Green building certification support (LEED, WELL, LBC, RESET, etc.)

Renewable energy analysis

Incentive and rebate program support

Beneficial electrification consulting

Life Cycle Cost Analysis

Understanding of local and national energy codes and policies

Offer support and consultation related to sustainability strategies, energy efficiency measures, innovative technologies, voluntary rating standards, codes, and industry trends, etc.

Present at internal and external lunch & learn type trainings.

Collaborate with owner and architect clients and MEP design engineers to develop energy and water efficiency strategies and system approaches on their projects – relating to high-performance HVAC systems, plumbing systems and electrical/lighting systems.

Job Requirements

The ideal candidate will be capable of providing direct consulting services to clients from early-stage ideation to late-stage energy modeling & certification submissions. The candidate will have experience and the ability to apply relevant industry knowledge with codes, strategies, trends and drivers to project design. This includes sustainability strategies, energy efficiency measures, technologies, voluntary rating standards, codes, industry, and trends; be someone who possesses strong communication and organizational skills; and who has the desire and ability to grow to a senior level Sustainability Specialist role.

Additional requirements include:

Ability to read, review, and evaluate Architectural and Engineering drawings and visualize three-dimensional models.

Familiarity with design tools such as Revit

Competency with simulation and modeling tools, (primarily IESVE and CA Title-24 code compliance tools such as EnergyPro and CBECC. Additional tools may include Windows, COMFEN, Climate Consultant, Sefaira, EnergyPlus, PVWATTS.)

Minimum of 5- 8+ years of experience working in a consulting firm working on energy & carbon focused design.

Basic understanding of proper system selection and applicable building codes

Knowledge of LEED and WELL design principles

LEED accredited and WELL accredited or on track to achieving accreditation.

Benefits

As an employee with Syska Hennessy Group, you will be part of a global firm with an amazing history! We are committed to being the best, to advancing engineering design practice, and to supporting our clients with integrity. To make all of that happen, we rely on the talent, drive, enthusiasm, and the total job satisfaction of the great people who work here.

As a member of our highly collaborative team, we provide you with a flexible benefits package that reflects our respect for your workplace contributions, professional goals, and personal priorities. The personal benefits program at Syska Hennessy Group includes:

Robust, comprehensive medical, dental, vision, life insurance, and supplemental benefit plans

401(k) plan with a generous employer matching program

Training and professional development courses

Professional development incentive bonuses

Dynamic Employee Resource Groups

Competitive Paid Time Off (PTO) policy

Transit/parking employer stipend

½ day work from home Fridays all year long

At Syska, we promote an environment that is committed to embedding diversity and equality into the core of our business and culture. We empower our employees so they can take ownership for their work and development and strive to continually improve themselves and our firm. Syska is a place where you can build an exceptional career and have a lasting impact on the world.

Syska Hennessy Group | Integrating the best minds and technology to help clients create exceptional environments.

The salary range listed below is for this particular job posting. Actual pay range for candidates will be commensurate with candidate’s experience, skillsets and competencies and may differ based on the cost of labor in their particular location.

California Pay range

$83,234 — $145,069 USD

Original posting on Syska Hennessy's site ↗

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