ZipRecruiter

Log In

1

Self Employed Proposal Development Jobs in Riverside, CA

Salas O'Brien

Senior Mechanical Engineer

Tustin, CA · On-site

$115K - $152K/yr

... development, proposals, engineering & design, document control, inspection & testing, and commissioning. * Review and check the work of others. Effectively apply self-checking to their work.

Salas O'Brien, Inc.

Senior Plumbing Engineer

Tustin, CA

$115K - $158K/yr

... development, proposals, engineering & design, document control, inspection & testing, and commissioning. * Review and check the work of others. Effectively apply self-checking to their work.

Salas O'Brien

Senior Plumbing Engineer

Tustin, CA · On-site

$115K - $158K/yr

... development, proposals, engineering & design, document control, inspection & testing, and commissioning. * Review and check the work of others. Effectively apply self-checking to their work.

Salas O'Brien, Inc.

Senior Mechanical Engineer

Tustin, CA

$115K - $152K/yr

... development, proposals, engineering & design, document control, inspection & testing, and commissioning. * Review and check the work of others. Effectively apply self-checking to their work.

previous page

Showing results 41-60

All JobsSelf Employed Proposal Development JobsSelf Employed Proposal Development Jobs in Riverside, CA

Self Employed Proposal Development information

See Riverside, CA salary details

$52.7K

$96.3K

$134.1K

How much do self employed proposal development jobs pay per year?

As of Aug 11, 2026, the average yearly pay for self employed proposal development in Riverside, CA is $96,283.00, according to ZipRecruiter salary data. Most workers in this role earn between $83,500.00 and $116,300.00 per year, depending on experience, location, and employer.

What is the difference between Self Employed Proposal Development vs Freelance Proposal Writer?

AspectSelf Employed Proposal DevelopmentFreelance Proposal Writer
CredentialsTypically requires experience in proposal writing, industry knowledge, and sometimes certifications in project management or proposal developmentOften requires strong writing skills, portfolio, and sometimes certifications in writing or communication
Work EnvironmentIndependent, often working with multiple clients on complex proposalsFlexible, project-based work for various clients, focusing on writing proposals
Employer/Industry UsageUsed across government, non-profits, and private sectors for complex project proposalsCommon in consulting, marketing, and business services sectors

Self Employed Proposal Development involves creating comprehensive, strategic proposals often for large projects, requiring industry knowledge and proposal expertise. Freelance Proposal Writers focus on crafting compelling, clear proposals primarily centered on writing skills. While both roles are independent and client-focused, Proposal Development emphasizes strategic planning and industry experience, whereas Proposal Writing centers on communication and storytelling.

What are popular job titles related to Self Employed Proposal Development jobs in Riverside, CA? For Self Employed Proposal Development jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Self Employed Proposal Development jobs in Riverside, CA look for? The top searched job categories for Self Employed Proposal Development jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Self Employed Proposal Development jobs? Cities near Riverside, CA with the most Self Employed Proposal Development job openings:
Self Employed Proposal Development jobs near you

Senior Water Project Manager

Hazen and Sawyer

Riverside, CA • On-site

$190K - $250K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 10 days ago

Job description

Hazen and Sawyer is seeking a Senior Water Project Manager in Southern California. As part of our design and process teams, you will be working on all phases of water projects from concept development, project planning, applied research, study, advising through detailed design, construction, and operations.

Why Hazen and Sawyer:

  • Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an employee-owned company with a singular focus on "all things water."
  • Our work includes planning, design, and oversight of construction of environmental infrastructure – for water, wastewater, and stormwater management.
  • We foster a work environment low on bureaucracy and high in creativity.
  • We recruit talented professionals, provide them with challenging, interesting, and creative assignments, and furnish them with the tools they need to succeed.
  • We currently have over 2,000 employees in 70+ offices throughout the United States, Latin America, Canada, and the UK.
  • A flexible hybrid work schedule supports today's busy professionals.

Key Responsibilities:

  • Your role will include project management, design, planning, operational support, and business development with a focus on water reuse and drinking water projects
  • Supporting and developing proposal development.
  • Helping to identify, hire, supervise and mentor junior drinking water staff.
  • Direct coordination and collaboration with clients.
  • Coordination with internal technical specialists in all practice areas and discipline design professionals for project delivery.
  • Managing projects to meet client expectations, budgets, and quality requirements.
  • Following internal Hazen processes to ensure quality delivery of engineering projects for clients.
  • Technical responsibility for interpreting, organizing, executing, and coordinating assignments on small/medium/large projects.
  • Performing planning, studies, design, and support of projects through design, construction, and operation.
  • Evaluate progress of the project staff and results obtained and recommend changes to achieve overall project objective

Required Qualifications:

  • Bachelor's degree in civil/environmental engineering
  • PE license
  • 12+ years of experience in municipal water treatment, water quality, water treatment technology, or manufacturing
  • Experience in successfully delivering projects spanning multiple years in collaborative, multi-disciplinary teams
  • Proficient in all MS Office based computer software
  • Excellent communication and interpersonal skills, and capable of interacting effectively with staff, clients, and regulatory agencies
  • Self-starter with attention to detail
  • Strong organizational skills
  • Must be capable of presenting complex issues to nontechnical people

Preferred Qualifications:

  • Advanced degree (Master’s or Doctorate) in Civil/Environmental Engineering

What We Offer:

  • Comprehensive health benefits (medical, dental, vision, and prescription plans)
  • Pre-tax flexible spending plans for medical, dependent care, and transportation
  • Short and long-term disability, and employer paid life insurance
  • Paid holidays, floating holidays, and paid time off (PTO)
  • Employer-contributed 401(k) plan and additional financial planning support
  • Professional growth opportunities, including tuition reimbursement, in-house training, and incentives for professional registration and professional organization memberships
  • Starting pay range for this position depends on skills, experience, education and geographical location

#li-hybrid

HAZEN AND SAWYER logo

About HAZEN AND SAWYER

Sourced by ZipRecruiter

Hazen and Sawyer, headquartered in New York, NY, US, operates within the field of environmental science and engineering. Founded in 1951, the firm specializes in designing drinking water, wastewater, and stormwater facilities, comprehensive solid waste services, and other environmental infrastructure projects. Striving towards nurturing clean, safe water supply, the company upholds it as its primary mission. Their dedication reflects in their numerous honors received at the national and regional levels, including awards from the American Society of Civil Engineers, American Council of Engineering Companies, and Water Environment Federation.

Industry

Environmental consulting services

Company size

501 - 1,000 Employees

Headquarters location

New York, NY, US

Year founded

1951

View All HAZEN AND SAWYER Jobs