Senior Security Engineer

Position Description

Valiant Solutions is seeking a highly experienced and innovative Senior Security Engineer to lead advanced engineering initiatives supporting our client’s consolidated Security Operations Center. In this senior technical role, you'll leverage your extensive expertise in Splunk and advanced security tooling to design, build, and optimize sophisticated security orchestration, automation, and AI-enhanced solutions. Your senior-level proficiency in Python scripting will drive complex integrations, custom analytics, and automation strategies that significantly enhance operational efficiency and cybersecurity resilience.

You'll serve as a technical leader, collaborating directly with architects, stakeholders, and fellow senior engineers to develop and implement cutting-edge cybersecurity capabilities that proactively protect critical federal infrastructure from advanced threats. You will also play a pivotal role in strategic decision-making, conducting deep technical evaluations, prototyping innovative solutions, and mentoring mid-level engineers in best practices. If you’re driven by solving complex cybersecurity engineering challenges and shaping next-generation security operations, this senior-level opportunity offers an ideal platform for your expertise.

Named one of the Best Places to Work in the Washington DC area for 11 consecutive years, 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!

This position should expect to report onsite, but may allow for remote work. Remote work necessitates a high-level trust in our employees and we strictly adhere to the details found below in our Remote Work Policy. 

Required Experience:

• Active Secret or Top Secret Clearance.
• Minimum of twelve (12) years of progressive IT experience, with at least eight (8) years focused specifically on cybersecurity engineering.
• Bachelor of Science in Computer Science, Information Technology, Network Engineering, Security Engineering, System Administration, or related technical field, or two additional years of relevant senior-level experience.
• Minimum of five (5) years scripting experience in Python, specifically for security tool integrations, automation workflows, and customized cybersecurity analytics.
• Expert-level technical proficiency with multiple advanced security technologies and platforms, including Splunk SIEM, Endpoint Detection and Response (EDR), Security Orchestration Automation and Response (SOAR) tools, advanced vulnerability assessment solutions, and network security infrastructure.
• Proven senior-level experience developing complex automated workflows, leveraging AI/ML techniques for enhanced cybersecurity monitoring, predictive threat detection, and increased operational efficiency.
• Deep understanding and extensive practical experience implementing and adhering to federal cybersecurity guidelines and standards such as NIST SP 800-53, FISMA, and Federal Information Processing Standards (FIPS).
• Experience preparing advanced datasets for Machine Learning applications, building ML models, and delivering AI-driven cybersecurity solutions.
• Demonstrated ability to influence strategic technical decisions, collaborate effectively with senior stakeholders, architects, and engineering teams, and mentor junior and mid-level staff.
• Exceptional technical writing skills, advanced analytical and problem-solving capabilities, and proven ability to rapidly adapt to shifting priorities and requirements.

Preferred Certifications:

• CISSP, Splunk or Elastic certifications

Responsibilities:

• Lead the engineering, integration, and continuous optimization of the Splunk-based SIEM platform, ensuring exceptional performance, reliability, and advanced analytics capabilities.
• Develop, implement, and manage sophisticated Python-based automation scripts and integrations, significantly improving operational efficiency and cybersecurity posture.
• Provide senior technical leadership and strategic input on cybersecurity projects, guiding architecture decisions, technology selection, and advanced tool integrations.
• Create, enhance, and maintain complex security orchestration workflows and AI-driven analytical solutions to enable rapid, accurate incident detection, response, and threat intelligence dissemination.
• Conduct advanced technical evaluations, rapid prototyping, and implementation of emerging security technologies, ensuring continuous innovation and effectiveness.
• Oversee and mentor engineering teams, driving best practices in security automation, platform optimization, configuration management, and system hardening.
• Lead strategic initiatives to continuously improve detection rules, dashboards, advanced analytics, and predictive threat detection within the Splunk environment.
• Drive and coordinate cybersecurity vulnerability assessments, remediation strategies, and compliance audits, reducing organizational risk through proactive security engineering efforts.

About Valiant Solutions

Valiant Solutions is a security-focused IT solutions provider with public clients nationwide. Named one of the fastest growing privately held companies by Inc. 5000, Washington Technology’s Fast 50, and Washington Business Journal’s Best Places to Work in the D.C. area, Valiant Solutions prides itself on providing its employees with great benefits and career development opportunities. As a company, we are just as committed to growing careers as we are to building world-class IT solutions, all while enjoying an unparalleled work-life balance. We are in a phase of tremendous growth and building the team that will take us to the next level. We seek people whose talents and accomplishments will contribute to a thriving company, who have the character to support their capacity, and can make a positive impact on our culture. Alongside our talented team, you’ll learn to think quickly on your feet and expand your own personal and professional skill set. Our management team will inspire you to consider new perspectives and challenge you to become a better practitioner in the fast-paced industry of IT security. We hire people we respect – and we trust them to deliver results leveraging their expertise. If you would enjoy working in a dynamic environment as part of a stellar team of professionals, then we invite you to apply online today.

Benefits Snapshot (includes, but not limited to)Valiant pays 99% of the Medical, Dental, and Vision Coverage for Full-time EmployeesValiant contributes 25% towards Health Coverage for Family and Dependents100% Paid Short Term Disability and Life Insurance Policy for Full-time Employees100% Paid Certifications401K Matching up to 4%Paid Time OffPaid Federal Holidays Paid Time On – 40 hours to pursue innovationWellness & Fitness ProgramValiant University – Online Education and Training PortalReimbursement for Public Transit and ParkingFSA programs for: Medical Costs, Dependent Care, Transit, and ParkingReferral Bonuses

The salary range for this position is a general guideline and not a guarantee of compensation or salary. It has been benchmarked in relation to the scope of the role, market rate, and internal equity. The salary for this role is expected to be in the $120,000 - $134,000 range. Where a candidate falls within the band can be determined based on one or more of the following: skillset, experience level, achievements, education, geographic location, security clearance, involvement in corporate tasks, and other non-discriminatory factors. In addition to the base salary, this role will include benefits as described below.  Valiant reserves the right to adjust the salary range, experience requirements, and position responsibilities at any time without prior notice. 

Remote Work Policy 

Remote work necessitates a high level of trust in our employees. To ensure that employee performance does not suffer in a remote work environment, all employees who telecommute are expected to have a quiet and distraction-free workspace with adequate internet, dedicate their full attention and availability to their job duties during working hours, and maintain a schedule during core business hours that align with those of their coworkers and Valiant's clients. In alignment with Valiant's inclusive and engaging environment, cameras are encouraged and can be required to be on during virtual video conferences. Additionally, in alignment with the Office of the Inspector General’s effort to eliminate conflicting employment, all Valiant employees are required to disclose any current or future outside employment engagements. During onboarding and throughout employment, employees must disclose any current activities or intent to engage in outside employment or other professional activities and obtain written approval.  Employees may not solicit or conduct any outside business during core business hours for Valiant Solutions and our clients.

Equal Employment Opportunity

Valiant Solutions is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, age, disability, genetic information, marital status, or veteran status, in accordance with applicable law.

Physical Demands

Sitting or standing at a desk for prolonged periods of time and consistent operation of a computer. Frequent communication and exchanging of accurate information via electronic communication, phones, and in person. Occasionally lift and/or move moderate amounts of weight, typically less than 20 pounds. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of the job.

Authorization to Share Resume and Personal Information

By submitting your resume for this position, you authorize Valiant Solutions to share your resume, as well as, personal information included on the resume, with its subsidiaries, affiliates and teaming partners for the purpose of considering you for this position and other available positions requiring comparable skills, education and experience. Should Valiant Solutions or its affiliates and teaming partners wish to initiate pre-employment discussions, you will be asked to complete an employment application and related employment documents.

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