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Second Front Systems logo

Startup · United States

Second Front Systems

HQ Wilmington, United States51-200 employees

Software development, accreditation and deployment infrastructure for government networks.

WebsiteLinkedInX

Funding5 rounds · $148M

Disclosed
$148M
Latest
$70.0MSeries C · Sep 13, 2024
Cumulative raised$148M
Jul 7, 2020Sep 13, 2024

Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.

Supply chain4 customers

Customers4

  • Named existing Game Warden customer preparing for AWS European Sovereign Cloud; this source does not confirm a completed ESC deployment.
  • Named existing Game Warden customer preparing for AWS European Sovereign Cloud; this source does not confirm a completed ESC deployment.
  • Existing supplier completed DIANA-developed LMS cloud deployment and migration via Game Warden in17days; NATO UNCLASSIFIED ATO.
  • Named existing Game Warden customer preparing for AWS European Sovereign Cloud; this source does not confirm a completed ESC deployment.

People4

Hiring observations15 listings

A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.

Company metrics

LinkedIn employee profiles
175
Observed Oct 5, 2026
Bright Data / LinkedIn · Source ↗
LinkedIn followers
38,475
Observed Oct 5, 2026
Bright Data / LinkedIn · Source ↗

Employee-profile counts reflect LinkedIn profiles associated with the company, not verified headcount. One observation establishes a baseline; it does not establish growth.

Sources18

Profile4

  1. 1

    Black Flag · Supports Organization

    “Accelerates the secure delivery and deployment of mission-critical software to government and regulated networks by streamlining compliance, accreditation, and”
  2. 2

    LinkedIn via Bright Data · Supports Organization · company size, Organization · headquarters, Organization · logo, Organization · url

    “{"company_size": "51-200 employees"}”
  3. 3

    Second Front Systems · Supports Organization · name

    “Second Front Systems”
  4. 4

    Second Front Systems · Supports Organization

    “We’re a public-benefit, venture-backed company delivering mission-critical software”

Funding11

  1. 5

    U.S. Securities and Exchange Commission · Sep 18, 2024 · Supports Funding round · amount

    “Total Amount Sold $69,999,860 USD”
  2. 6

    Forbes · Sep 13, 2024 · Supports Funding round · post money valuation usd

    “bringing the company’s valuation to $750 million, according to people familiar with the deal”
  3. 7

    PR Newswire · Sep 13, 2024 · Supports Funding round · amount

    “today announced the close of its $70 million Series C funding round. The round was led by Salesforce Ventures, with participation from new investors, Battery Ventures, and existing investors, NEA, Moore Strategic Ventures, and Artis Ventures.”
  4. 8

    Second Front Systems · Sep 13, 2024 · Supports Funding round

    “today announced the close of its $70 million Series C funding round.”
  5. 9

    FinSMEs · Jan 16, 2024 · Supports Funding round, Funding round · amount

    “received an investment from Booz Allen Ventures, the corporate venture capital arm of Booz Allen Hamilton (NYSE: BAH), NEA and Moore Strategic Ventures.”
  6. 10

    U.S. Securities and Exchange Commission · Dec 6, 2023 · Supports Funding round · amount

    “Total Amount Sold $33,399,976 USD”
  7. 11

    Second Front Systems · Nov 28, 2023 · Supports Funding round · amount

    “today announced their Series B funding round of $40 million. The round was led by NEA with current investors Moore Strategic Ventures and AE Industrial Partners HorizonX also participating”
  8. 12

    VCNewsDaily · Dec 7, 2022 · Supports Funding round, Funding round · amount

    “co-led by AEI HorizonX. They will be joining 2F's current investors - all of whom participated in the round - ARTIS Ventures, 8VC, Gula Tech Adventures, Abstract Ventures, Pallas Ventures, Gaingels, and Kleiner Perkins.”
  9. 13

    U.S. Securities and Exchange Commission · Nov 3, 2022 · Supports Funding round · amount

    “Total Amount Sold $19,133,453 USD”
  10. 14

    U.S. Securities and Exchange Commission · Jul 9, 2020 · Supports Funding round · amount

    “Total Amount Sold $2,575,000 USD”
  11. 15

    ExecutiveBiz · Jul 7, 2020 · Supports Funding round, Funding round · amount

    “its other investors include Abstract Ventures, 8VC, Kleiner Perkins and Gula Tech Adventures.”

Supply chain2

  1. 16

    Second Front Systems · May 27, 2026 · Supports Supply relationship

    “As an existing supplier and mission partner to DIANA”
  2. 17

    Second Front Systems · Dec 3, 2025 · Supports Supply relationship

    “The following Second Front customers are early adopters and ready to deploy to ESC once available in 2026:”

People1

  1. 18

    Crunchbase via Bright Data · Supports Role · founders

    “{"founders": [{"id": "joshua-mummert-stern", "type": "person", "value": "Joshua Mummert-Stern"}, {"id": "mark-butler-ceb0", "type": "person", "value": "Mark Butler"}, {"id": "nate-hughes-4249", "type": "person", "value": "Nate Hughes"}, {"id": "peter-r-dixon", "type": "person", "value": "Peter Dixon"}]}”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.