Endpoint Security Engineer

Responsibilities

The Endpoint Security Engineer provides engineering and sustainment support for endpoint security solutions to protect networks and data from malicious attacks. They are responsible for designing system configurations, implementing security products, and overseeing the documentation and investigation of security-related incidents.

Requirements

Candidates must have a Bachelor's degree in a related field with 6 years of experience or equivalent, plus 10 years of technical cybersecurity experience. A TS/SCI clearance and DoD 8570 IAT Level II certification are required, with additional certifications like CSSP Infrastructure Support needed within 6 months.

Skills

• Cybersecurity
• Endpoint security
• Trellix
• HBSS
• Carbon Black
• Microsoft ATA
• Tanium
• Linux administration
• Network architecture
• DoD Architecture Framework
• Security systems design
• Policy management
• Database administration
• Incident investigation
• System configuration
• Enterprise security

Benefits

• Medical plans
• Dental coverage
• Vision coverage
• Life insurance
• Short-term disability insurance
• Long-term disability insurance
• 401(k) retirement plan
• Paid time off
• Paid federal holidays
• Professional development
• Wellness and fitness program
• Referral bonuses

About this role

Position Description
Valiant Solutions is seeking an Endpoint Security Engineer to join our rapidly growing and innovative team!
The Endpoint Security Engineer will join a program that provides network and Cybersecurity services supporting an Intelligence Community customer. The team will support transport and cybersecurity information technology (IT) services across multiple networks and security domains at multiple locations worldwide, including new facilities and building construction, to support the IC mission.
Named one of the Washington Business Journal’s Best Places to Work every year since 2014, Valiant is proud of our employee-centric culture and commitment to excellence. If you are interested in learning more about Valiant and this opportunity, we invite you to apply now!
Location: St. Louis, MO or Springfield, VA
Required Clearance: TS/SCI with the ability to obtain and maintain a CI Polygraph.
Required Education and Certifications:
Bachelor’s degree in Engineering, Computer Science, or related field with 6 years of additional experience (additional experience may be considered in place of a degree).
Current DoD 8570 IAT Level II certification.
CSSP Infrastructure Support certification within 6 months of hire date.
Desired Certifications:
CSSP Infrastructure Support certification at time of hire.
Linux-related certifications.
Required Skills:
10 years of technical experience in cybersecurity.
Working knowledge of maintaining enterprise cybersecurity engineering requirements using some or all of the following tools: Trellix, HBSS, Carbon Black Response/Protection, Microsoft ATA, and Tanium.
Strong working knowledge of administering applications in a Linux environment.
Experience with large-scale enterprise/global networks in a fast-paced, diverse environment.
Understanding of and experience with the DoD Architecture Framework and other key DoD network architecture and strategic planning instructions.
Experience providing status reports and products to senior management and customers.
Experience planning, designing, and evaluating security systems and architectures
Desired Skills:
Windows Enterprise Active Directory (AD) architecture.
VMware virtualization.
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 endpoint security solutions.
Establishes the computing environment by designing system configuration, directing system installation, and defining, documenting, and enforcing system standards.
Provides specific, detailed information on hardware and software selection, implementation techniques, and tools to meet business needs, including present and future capacity requirements.
Configures and installs security products using Linux OS.
Works with the software vendor and the customer to research, analyze, and implement enterprise-wide security solutions, capabilities, and enhancements to support customer business and mission goals.
Assists with design, analysis, testing, and implementation of secure architectures.
Oversees security infrastructure sustainment, maintenance, and advanced configuration, including policy management, database administration, and security management tools.
Oversees the reporting, documentation, and investigation of all security-related incidents and leads the development and implementation of corrective measures.
About Valiant Solutions
Valiant Solutions delivers cybersecurity and IT services to federal civilian, defense, and national security customers nationwide. We support the full cyber lifecycle, from secure system design and accreditation through AI-enabled operations, threat emulation, and continuous improvement, across classified and unclassified environments. Our work is independently certified for quality and security, including CMMI, CMMC, and ISO certifications.
Valiant is a multi-year Washington Business Journal Best Places to Work winner, and our growth and cyber leadership have been recognized by Washington Technology, Northern Virginia Technology Council, and the Triangle Business Journal. We offer strong benefits, rewards for earning industry certifications, and room to grow your career as we grow. Headquartered in McLean, Virginia, our distributed workforce supports customers from coast to coast. We go where the stakes are highest, and the margin for error is zero. If you want meaningful work alongside talented professionals, apply today.
Benefits Snapshot
Valiant takes care of the people who support our customers, with real choices in coverage and real investment in your career. Eligible full-time employees receive:
A choice of medical plans, from an affordable HSA option to a full-featured PPO, with generous company contributions
Dental and vision coverage for you and your family
Company-paid life, short-term disability, and long-term disability insurance
Optional supplemental life, accident, and critical illness coverage to round out your protection
401(k) retirement plan with company match
Paid time off that grows with your years of service, plus paid federal holidays
Paid certifications, professional development, and the Valiant University training portal
Flexible spending accounts and a wellness and fitness program
Referral bonuses when you help us bring great people to Valiant
Benefit eligibility and plan details are subject to the terms of each plan and may change from time to time.
The anticipated salary range for this position is $101,400 - $144,900. This range reflects Valiant Solutions' good-faith estimate of the base salary reasonably expected for this position upon hire, at the time of posting. The range has been established based on the scope of the role, market rates, and internal equity. Where a candidate falls within the posted range will depend on job-related factors, including relevant skills, experience, qualifications, ac...

About Valiant Solutions, LLC

Information Technology & Services · 201-500 employees · headquartered in McLean, Virginia · founded 2005