San Jose Network Engineer · Senior, On Call

A senior San Jose network engineer
without the full-time hire.

Most South Bay and Silicon Valley businesses don’t need a full-time network engineer — but when they need one, they need a real one. Cisco-certified, Fortinet-certified, 20+ years of network-only practice. Available for design, redesign, troubleshooting, multi-site operations, and ongoing engineering retainer. Serving San Jose, Santa Clara, Sunnyvale, Cupertino, Mountain View, Palo Alto, Milpitas, and the broader South Bay.

Track Record

The numbers behind the outcomes.

We only do networks. That is not a limitation — it is why the outcomes are different.

Engineering
0

Years of network-only practice. Architecture, security, and operations — not IT generalism.

Delivery
0

Sites delivered. Healthcare clinics, law offices, financial branches, multi-site operations.

Reliability
0

Unplanned downtimes following network redesigns. Every implementation, with the precision it requires.

Ownership
0

Senior engineer–led. No junior handoffs. No ticket queue. No escalation chain.

Career aggregate. The 20+ years and 300+ sites span the operator’s full network-only practice, including prior-employer engagements. Zero unplanned downtimes reflects post-redesign performance on engagements where the architecture standard described above was applied.

Why Companies Hire a Network Engineer Like This

When you need a real network engineer, not a help desk.

Silicon Valley businesses face an acute version of the network engineering gap: a full-time senior network engineer in San Jose runs $170k–$210k loaded, plus six-month recruiting cycles in a market where every engineer has multiple competing offers. Most mid-market and growth-stage companies don’t actually need 40 hours/week of network engineering — they need 5–20 hours/month with surge capacity for projects. Fractional senior engineering fixes that gap at a small fraction of the cost.

01 · Real Credentials

Cisco + Fortinet + 20+ Years

Cisco-certified, Fortinet-certified, CompTIA-certified. 20+ years exclusively on networks — architecture, security, and operations. Past engagements include Fortune 500 networks; the same caliber of engineering, applied to mid-market Silicon Valley organizations. Verifiable, not "we have a guy."

02 · Multi-Vendor

Cisco, Fortinet, and Beyond

FortiGate firewalls, Cisco Catalyst switching, Aruba/Cisco wireless, Juniper SRX, Arista 7000 series. Multi-vendor environments are the norm in real Silicon Valley businesses, particularly hardware-adjacent companies and those that have absorbed legacy infrastructure. Your engineer should be able to work in whatever you actually have.

03 · Engagement Modes

Project, Retainer, or On-Call

Three engagement modes: Project (network redesign, multi-site rollout, vendor migration — defined scope, fixed timeline); Retainer (ongoing engineering on call, typically 5–20 hrs/month); Network Risk Assessment (one-time assessment, written report). Pick whichever fits your situation.

04 · SOC 2-Ready

Built for Audited Environments

South Bay B2B SaaS lives or dies on customer security questionnaires and SOC 2 audit cycles. Every change starts with a documented design and ends with documented evidence. The diagrams, configs, and decision records become assets your security team can actually use to close enterprise deals.

Silicon Valley Hiring Market Context

Why mid-market companies can’t out-bid FAANG for network engineers.

Comp Competition vs. FAANG

Silicon Valley senior network engineering hires compete against FAANG and venture-backed companies offering stock-based comp packages. Mid-market companies often can’t credibly compete in that market — even when willing to pay strong cash compensation, the equity dynamics aren’t there. Service engagements sidestep the comp competition entirely; the relationship is built around projects and deliverables rather than retention against competing offers.

Technical-Buyer Hiring Cycles

Hiring an engineer to evaluate engineers is its own challenge. Silicon Valley IT directors and VPs of Engineering evaluating network engineering candidates are themselves senior technical people whose time is expensive. A 4–6 month hiring cycle eats meaningful technical-leader bandwidth. Service engagements bypass that entirely — the same technical leader spends an hour in scoping conversation and the engagement starts.

Hardware & Lab Network Specialty

Silicon Valley networks include validated environments, instrument-network isolation, pre-release IP-handling, and lab traffic with specialized requirements. Few engineers have meaningful experience in this stack; fewer still want to work for mid-market companies. Service engagements that bring this expertise on demand are often the only realistic path.

Continuous SOC 2 Posture

South Bay B2B SaaS lives or dies on continuous SOC 2 audit cycles plus quarterly customer security questionnaires. Network controls are scrutinized at every iteration. Engineers experienced in operating this scrutiny lens routinely — not as an audit-season project — are scarce. We bring that experience as the default rather than the special-occasion approach.

Engineering Work

What a Silicon Valley network engineer actually does.

Concrete deliverables, not vague "managed services." These are the work types South Bay clients engage us for.

Network Architecture & Redesign

Inherited or accumulated network not performing? We redesign to a documented standard: HA firewall pairs, aggregated cores, dual-homed access, segmented broadcast domains. Diagrams, configs, and a change-staging plan that gets you from where you are to where you need to be without taking sites down.

Multi-Site Standardization

San Jose HQ plus Mountain View R&D, Santa Clara warehouse, Fremont satellite — running ad-hoc configs that no one has documented. We standardize: same vendor, same config template, same monitoring. New sites become a documented playbook instead of a fire drill. Particularly valuable for hardware-adjacent companies with mixed office and lab footprints.

Vendor Migration

Moving from SonicWall to FortiGate, from Meraki to FortiAP, from a legacy MPLS to SD-WAN. Migration plans that minimize downtime, with rollback paths. Real engineer staging, testing, and cutover — not a vendor rep with a quote.

Network Risk Assessment

A complete review of your current network: configs, segmentation, drift, security posture, compliance gaps. Written report, prioritized recommendations, yours to keep regardless of whether you continue with us. Common entry point for South Bay businesses evaluating engineering relationships.

SOC 2 / Compliance Documentation

South Bay B2B SaaS lives or dies on SOC 2 audit cycles and enterprise customer questionnaires. We produce the network-controls documentation auditors and customers actually want — segmentation diagrams, access control matrices, change-history evidence — in the format they expect.

On-Call Engineering Retainer

Ongoing senior engineer availability. Typical retainer: 5–20 engineering hours per month, used for changes, troubleshooting, architecture review, and capacity planning. Your internal team has someone to call when something goes sideways — and someone to validate plans before they ship.

Service Area

Where we work in Silicon Valley and the South Bay.

On-site work and remote operations across San Jose, Santa Clara, Sunnyvale, Cupertino, Mountain View, Palo Alto, and the broader South Bay.

San Jose Santa Clara Sunnyvale Cupertino Mountain View Palo Alto Los Altos Los Gatos Saratoga Campbell Milpitas Fremont Newark Union City Morgan Hill Gilroy Redwood City Menlo Park

If your South Bay business operates with offices across the broader Bay Area — or your HQ is in Silicon Valley with branches elsewhere — remote-managed network operations work the same way.

Our Approach

Practical and transparent.

No mystery. No black box. Every step is documented, explained, and approved before execution.

01 · Assess

See Exactly Where You Stand

A complete risk assessment of your current network. Configurations reviewed. Segmentation validated. Gaps documented. You get a clear picture — not a sales pitch.

02 · Stabilize & Secure

Fix What Is Broken. Standardize What Is Not.

Address critical risks first, then build toward a standardized architecture. Every change documented, tested, and deployed without disruption.

03 · Operate & Improve

Your Network Gets Better Over Time

Ongoing monitoring, change management, and architectural review. The network does not just work today — it evolves with your operations.

Your Engineer

20+ years. Network-only. Every engagement.

Not a team of rotating technicians. Not a ticket queue. One named senior engineer who knows your environment, your compliance requirements, and your business context — from assessment through ongoing operations.

JJ

Jeff Johnson

Principal Network Architect

The person who designs your network is the person who maintains it. No handoffs. No abstraction. No loss of context when something breaks at 2 a.m.

Background: Founder, ex-Meta. Past engagements include Cisco, Wells Fargo, Fannie Mae, and other Fortune 500 networks — the same caliber of engineering, now applied to mid-market organizations.

Cisco Certified Fortinet Certified CompTIA Certified Fortinet Engage Partner 20+ Yrs Network-Only
Technology Partners

Built on vendors we stake our reputation on.

Ambio Edge Networks works with industry-leading networking and security vendors to deliver the infrastructure your operations depend on.

Who Hires Us

South Bay businesses that bring in a senior network engineer.

Common shapes: B2B SaaS preparing for SOC 2, hardware companies with mixed lab+office networks, growth-stage tech companies whose network was built ad-hoc, and biotech firms with specialized lab-network requirements.

B2B SaaS Pre-Audit / Pre-Enterprise

Growth-stage SaaS companies whose customer pipeline starts requiring SOC 2 or whose enterprise deals stall on security questionnaires. We take ownership of the network-controls portion: documentation, segmentation, evidence, audit prep. The work that auditors actually look at, done by an engineer with audit experience.

Hardware & Semiconductor Companies

Engineering-design networks, validated environments, isolated test labs, secure handling of pre-release hardware and IP, and the kind of segmentation that keeps a customer’s tape-out data separate from corporate traffic. From mid-market chip design firms to growth-stage hardware companies in the Santa Clara / San Jose corridor.

Multi-Site Tech Operations

San Jose HQ, Mountain View R&D office, Santa Clara warehouse, Fremont satellite — we standardize the architecture across every site. Same vendor, same config, same monitoring. Reduces the cost-of-incident and makes opening new sites a documented process.

Biotech & Life Sciences

The South Bay has substantial biotech and life-sciences presence — specialty firms and growth-stage companies adjacent to the Stanford / SLAC ecosystem. Lab networks have unusual requirements: instrument-network isolation, validated environments, FDA 21 CFR Part 11 alignment, zero tolerance for downtime that disrupts long-running experiments.

Tech Companies with No Network Engineer

Common Silicon Valley shape: $20M–$200M revenue tech company, internal IT person handling devices and Microsoft 365, no one with deep network engineering. We become the on-call network engineering function without you needing to recruit (which would take 6 months in this market) or fully replace your IT person.

Legal & Professional Services

South Bay legal firms, IP-focused firms, and professional services consultancies face client-required security questionnaires, confidential matter data, and segregated network paths for sensitive document handling. Same shape of need, same documentation discipline.

✓ Good Fit

  • Silicon Valley businesses with multiple locations or a multi-site footprint
  • Regulated environments (HIPAA, PCI-DSS, SOC 2, similar)
  • Organizations whose operations cannot tolerate unplanned downtime
  • Teams that want direct access to a senior engineer — not a help desk
  • Companies with an internal IT person who needs a network specialist on call

× Not a Fit

  • Single-employee businesses needing general IT support (printers, email, desktops)
  • Organizations whose primary need is help desk, software, or device management
  • Cost-first buyers who view networking as a commodity rather than infrastructure
  • Buyers expecting to outsource ownership entirely — we operate alongside, not instead of, your team

FAQ

Common questions from companies considering a network engineer hire.

Why hire a fractional network engineer instead of a full-time one?

A loaded full-time senior network engineer in San Jose runs $170k–$210k/year, plus 6-month recruiting cycles in a market where every engineer has multiple competing offers. Most mid-market and growth-stage Silicon Valley businesses don’t need 40 hours/week of network engineering — they need 5–20 hours/month, with surge capacity for projects. Fractional senior engineering at a monthly retainer covers what a full-time hire would, at a fraction of the cost.

How is this different from hiring a Silicon Valley MSP?

Most Silicon Valley MSPs sell ongoing managed services packages (help desk + monitoring + device management). The buyer is comparison-shopping vendors. A network engineer engagement is different: you’re hiring a specific person with verifiable engineering credentials to do specific engineering work — redesign, project execution, on-call expertise. Closer to a contract architect than a service vendor.

What does a typical engagement look like?

Most South Bay engagements start with a Network Risk Assessment ($X,000 fixed-fee, 2–4 weeks, written report). From there: either a defined-scope project (redesign, migration, multi-site rollout) or a monthly engineering retainer (5–20 hours/month for ongoing access). Some clients keep the assessment, fix the issues themselves, and only re-engage on specific projects later. That’s a fine outcome too.

Do you work alongside our existing IT team or MSP?

Yes — this is the most common pattern. Your IT person or general MSP keeps doing what they do (help desk, Microsoft 365, devices, etc.). We handle the network engineering layer they can’t cover at depth. Communication paths get defined up front so we’re not stepping on each other.

What credentials are we hiring?

Cisco Certified, Fortinet Certified, CompTIA Certified. 20+ years of network-only practice. Past Fortune 500 enterprise engagements. Fortinet Engage Advocate Partner. Verifiable certifications, real engineering background — not a generalist with a Fortinet partner badge.

How does this support our SOC 2 / customer security questionnaire workload?

Direct. We produce the network-controls documentation auditors and enterprise customers actually want — segmentation diagrams, access control matrices, change-history evidence — in the format they expect. Most South Bay B2B SaaS clients are in continuous SOC 2 audit cycles plus quarterly customer questionnaires. We make the network-controls portions of those reviews straightforward.

Start the Engagement

Most Silicon Valley engagements start with a Network Risk Assessment.
It is yours to keep.

One engineer, one written report, one set of prioritized recommendations. Whether you bring us in for the project that follows or not, the assessment becomes a real working document for you. The fastest way to get a senior network engineer’s eyes on your environment.

[email protected] (916) 915-3335 Response < 1 business day

What Happens Next

Response from a senior engineer within 1 business day.

A direct conversation — no sales team, no runaround.

An honest assessment of whether we are the right fit.

Clear next steps if we are — no pressure if we are not.

Book $3,500/Site Network Risk Assessment Call