Full-Time

Endpoint Security Engineer

Posted on 11/25/2025

Deadline 11/19/26
Abile Group

Abile Group

51-200 employees

Federal IT systems engineering and management

No salary listed

Springfield, VA, USA

In Person

US Top Secret Clearance Required

Category
IT & Security (2)
,
Requirements
  • Clearance Required: TS/SCI with ability to obtain and maintain a CI poly
  • Degree and Years of Experience: Bachelor’s degree (Engineering, Computer Science or related field) with 6 years additional experience. Additional experience may be considered in lieu of a degree.
  • 10 years of technical experience in Cyber Security
  • Required Certifications:
  • DoD 8570 IAT Level II certified (current)
  • Must obtain a CSSP Infrastructure Support certification within 6 months of hire date
  • Required Skills:
  • Working knowledge of maintaining Enterprise Cyber Security Engineering requirements utilizing all or some of the following tools: HBSS, Carbon Black Response/Protection, Microsoft ATA, Tanium
  • Strong working knowledge of administering applications in a Linux environment
  • Experience with large-scale enterprise/global networks in a high-paced, diverse environment
  • Understanding of and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions
  • Experience in providing status reports and products to senior management and customers
  • Experience with plans, designs, and evaluations of security systems and architectures
Responsibilities
  • Implements and applies technologies, processes, and practices designed to protect networks, devices, programs, and data from malicious attack, damage, or unauthorized access.
  • Provides engineering and sustainment support for the various endpoint security solutions.
  • Establishes computing environment by designing system configuration, directing system installation, and defining, documenting, and enforcing system standards.
  • Provides specific, detailed information for hardware and software selection, implementation techniques, and tools for the most efficient solution to meet business needs, including present and future capacity requirements.
  • Configures and installs various security products utilizing Linux OS.
  • Works with both the software vendor and the customer to research, analyze, and implement enterprise-wide security solutions/capabilities/enhancements to support customer business/mission goals and objectives
  • Assists with design, analysis, testing and implementation of state-of-the-art secure architectures
  • Oversees security infrastructure sustainment, maintenance, and advanced configuration (policy management, database administration and security management tools)
  • Oversees the reporting, documentation and investigation of all security related incidents; lead the development and implementation of corrective measures
Desired Qualifications
  • CSSP Infrastructure Support certification
  • Any Linux related certifications
  • Windows Enterprise Active Directory (AD) architecture and VMWare virtualization

Abile Group provides consulting and IT systems engineering services to U.S. government clients, with a focus on the Intelligence Community. It has two divisions: Enterprise Performance & Program Management, which helps with regulatory compliance and measuring success, and IT Systems Engineering, which covers the full engineering lifecycle across systems, networks, cybersecurity, and audio/visual tech. The firm works with cleared personnel for sensitive national-security projects and holds ISO 9001 and ISO 27001 certifications; it was acquired by Valiant Solutions in 2026 to expand cybersecurity capabilities. Its goal is to help federal agencies meet regulatory requirements, improve performance, and protect national security through integrated management and technical services.

Company Size

51-200

Company Stage

N/A

Total Funding

N/A

Headquarters

Alexandria, Virginia

Founded

2004

Simplify Jobs

Simplify's Take

What believers are saying

  • Zero Trust architecture demand across DoD and IC agencies modernizing legacy systems.
  • Continuous authorization and resilience requirements expand full-stack security consulting opportunities.
  • Cloud-native security architectures in FedRAMP environments enable differentiated platform positioning.

What critics are saying

  • Loss of woman-owned small business status eliminates $100M+ federal sole-source contract eligibility.
  • PE-driven integration clashes with Abile's agility, eroding client trust within 6–12 months.
  • Key personnel exodus, including CEO duCellier, disrupts cleared engineer delivery for IC missions.

What makes Abile Group unique

  • End-to-end cyber lifecycle capabilities from secure design through sustained operations.
  • Cleared workforce with ISO 27001:2013 certification reduces federal customer go-to-market friction.
  • Established $31.8M federal contract base and intelligence community relationships provide immediate revenue.

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Benefits

Health Insurance

Dental Insurance

Vision Insurance

Paid Vacation

401(k) Retirement Plan

401(k) Company Match

Wellness Program

Remote Work Options

Paid Holidays

Paid Sick Leave

Professional Development Budget

Conference Attendance Budget

Stock Options

Company Equity

Phone/Internet Stipend

Home Office Stipend

Mental Health Support

Flexible Work Hours

Company News

readmagazine.com
Feb 18th, 2026
Valiant Solutions Acquires Abile Group to Expand Cybersecurity Support for National Security Missions

Valiant Solutions acquires Abile Group to expand cybersecurity support for National Security missions. February 18, 2026 Valiant Solutions, LLC (Valiant), a provider of cybersecurity technologies and services to U.S. Federal agencies, announced the acquisition of Abile Group (Abile), a provider of secure network and cyber engineering services and technology to National Security customers. The acquisition reinforces Valiant's strategy to build a market leader of scale across cybersecurity to address the evolving cyber, information assurance, and digital risk requirements of Federal and National Security customers. Together, Valiant and Abile deliver enhanced cybersecurity capabilities through a unified team focused on protecting, modernizing, and operating mission critical systems in complex and high-threat environments. "Cybersecurity underpins every mission our customers execute," said George Wilson, Chief Executive Officer of Valiant Solutions. "This transaction allows us to deepen our technical expertise and broaden the solutions we deliver, while remaining focused on being a trusted cybersecurity partner to Federal and National Security customers." Abile Group brings a strong history of supporting mission-critical defense and national security programs, with particular strengths in endpoint protection, cloud-native architectures, and network engineering. These capabilities enhance Valiant's ability to support Zero Trust initiatives, continuous authorization, and modern cyber-enabled missions across classified and unclassified environments. Combined, the companies support the full cyber lifecycle, spanning secure system design and accreditation through sustained operations, resilience, and continuous improvement. "Valiant shares our commitment to technical rigor, mission execution, and customer trust," said Cara duCellier, President and CEO of Abile Group. "This combination creates new opportunities for our employees and enables us to deliver broader, more integrated cybersecurity solutions aligned with customer missions." "Valiant's acquisition of Abile marks another meaningful step forward in executing the strategy of building a differentiated cybersecurity platform serving clients across the Federal government," said John Allen, Managing Partner at Bluestone. Piper Sandler & Co served as sell-side financial advisor and Miles & Stockbridge served as legal counsel to Abile Group, Inc. Holland & Knight served as legal counsel to Valiant Solutions.

PR Newswire
Feb 17th, 2026
Valiant Solutions, a Bluestone portfolio company, Acquires Abile Group to Expand Cybersecurity Support for National Security Missions

/PRNewswire/ -- Valiant Solutions, a provider of cybersecurity technologies and services to U.S. Federal agencies, today announced the acquisition of Abile...

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