Software Engineer — Trellix Salary Negotiation Guide

Negotiation DNA: Software Engineers at Trellix build the extended detection and response (XDR) platform formed from the merger of McAfee Enterprise and FireEye, creating one of the most comprehensive security platforms in the industry.

Compensation Benchmarks (2026)

Level	Milpitas/Bay Area (USD)	Remote US (USD)	Bangalore (INR)
Mid (L3-L4)	$145,000–$200,000	$130,000–$185,000	₹20,00,000–₹35,00,000
Senior (L5)	$195,000–$260,000	$180,000–$245,000	₹35,00,000–₹55,00,000
Staff+ (L6+)	$250,000–$325,000	$235,000–$305,000	₹55,00,000–₹85,00,000

Total compensation includes base salary, equity (phantom equity / profit-sharing units under Symphony Technology Group ownership, 4-year vest), and performance bonus (typically 10%). Trellix is private; equity depends on future liquidity events.

Negotiation DNA — Why This Role Commands a Premium at Trellix

Trellix was formed in 2022 from the merger of McAfee Enterprise and FireEye under Symphony Technology Group (STG) ownership. Headquartered in Milpitas, CA, Trellix combines McAfee's enterprise endpoint and network security heritage with FireEye's legendary threat intelligence and incident response capabilities. The company's XDR platform unifies endpoint, network, email, and cloud security into a single detection and response framework.

Software Engineers at Trellix work on integrating and modernizing two massive security product portfolios — a complex engineering challenge that includes migrating legacy architectures, building unified data models, and creating the XDR correlation engine that ties diverse security signals together. The company's Threat Intelligence Group (formerly Mandiant/FireEye research) provides world-class threat intelligence that engineers integrate into the platform.

Trellix competes for Bay Area talent against major cybersecurity and tech companies. As a private company under STG, candidates should negotiate aggressively on base salary while understanding the equity structure.

Trellix Level Mapping & Internal Titles

Internal Level	Title	Typical YoE
L3	Software Engineer	1–3 years
L4	Software Engineer II	3–5 years
L5	Senior Software Engineer	5–8 years
L6	Staff Software Engineer	8–12 years
L7	Principal Software Engineer	12+ years

Lever 1: XDR Platform Unification

"Trellix's XDR platform unifies McAfee Enterprise and FireEye capabilities. I bring experience integrating diverse security systems into unified platforms — the core engineering challenge of Trellix's product strategy."

Lever 2: McAfee + FireEye Heritage

"Trellix combines two of the most storied names in cybersecurity. My ability to work across legacy and modern architectures accelerates the platform integration that defines Trellix's competitive positioning."

Lever 3: Threat Intelligence Integration

"Trellix's Threat Intelligence Group provides world-class threat research. I bring experience building systems that operationalize threat intelligence into detection rules and response workflows at scale."

Lever 4: STG Growth Investment

"Symphony Technology Group's investment in forming Trellix signals commitment to building a major XDR platform. I'm joining at a critical integration and growth phase where engineering contributions have outsized impact on company trajectory."

Negotiate Up Strategy: Open at $165,000 base with equity valued at $45K-$65K/year. Accept-at floor: $210,000 total comp. Cite the platform integration complexity and STG's growth mandate.

Evidence & Sources

• Trellix formation from McAfee Enterprise + FireEye — Symphony Technology Group, 2022
• Trellix XDR platform documentation — 2025–2026
• Levels.fyi Trellix 2025–2026 compensation data
• Glassdoor Trellix salary data 2025–2026
• Trellix Threat Intelligence Group — 2025