Senior Cybersecurity Engineer

Responsibilities & Qualifications

RESPONSIBILITIES

Lead the design and implementation of security automation workflows using tools like Python, Ansible, and SOAR platforms to enhance efficiency and response capabilities across all network enclaves. Design, engineer, and secure cloud architectures within AWS IL-5 environments, implementing robust security controls and ensuring compliance with stringent DoD standards. Serve as SPLUNK SME/Splunk Architect to enhance the Splunk platform by developing advanced security content, creating custom dashboards, and onboarding new data sources to improve threat visibility. Serve as a senior engineer for security analytics across multiple platforms, including Microsoft Sentinel and Splunk. This involves developing and implementing advanced correlation rules, workload analytics, and threat intelligence models to detect and respond to anomalous activity. Serve as a senior technical resource and mentor for other team members, providing guidance on best practices for operating securely across classified and unclassified networks. Analyze and integrate new data sources and security tools into the existing ecosystem to enhance threat detection and response. Create and maintain clear, comprehensive technical documentation, including architectural diagrams and Standard Operating Procedures (SOPs) tailored for multi-enclave operations.

REQUIRED QUALIFICATIONS

8+ years of relevant experience in a hands-on cybersecurity role within a DoD environment. Extensive, hands‑on engineering experience operating within multi‑cloud IL-5 secure cloud environments. Demonstrated experience working across multiple network classification levels (NIPR, SIPR, and JWICS). Advanced, hands‑on experience with security analytics platforms, including both Splunk (Enterprise/ES) and Microsoft Sentinel. Strong, demonstrable proficiency in scripting and automation for security tasks using languages like Python, PowerShell, or Ansible. Active Top‑Secret Clearance with SCI eligibility. Active IAT Level II and CSSP Infrastructure certification.

PREFERRED QUALIFICATIONS

Certifications related to Microsoft Azure Security (e.g., Azure Security Engineer Associate, Microsoft Sentinel Ninja). Experience with Infrastructure as Code (IaC) tools (e.g., Terraform, CloudFormation). High‑level Splunk or Cloud Architecture certifications. Overview We are seeking a highly skilled Senior Security Engineer to be a key technical leader on our CSSP Team. This role is for a seasoned professional with deep, hands‑on experience operating across multiple DoD network enclaves (NIPR, SIPR, and JWICS). The ideal candidate will drive the design and implementation of sophisticated security solutions, both on‑prem and secure cloud environments, leveraging expertise in a range of security platforms, including Splunk and Microsoft Sentinel. This is a hands‑on role for a senior expert who can engineer and automate a complex, multi‑faced security posture. Additional Job Information

WORK ENVIRONMENT AND

PHYSICAL DEMANDS

The work environment characteristics described here are representative of those an employee encounters while performing the essential functions of the job. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions. Location: Fort Belvoir, VA Type of environment: Office Noise level: Low Work schedule: Monday – Friday, with flexibility for evening/weekend work as needed Amount of Travel: 10% PHYSICAL DEMANDS While performing the duties of this job, the employee is regularly required to use hands to handle, feel, touch; reach with hands and arms; talk and hear. The employee is regularly required to stand; walk; sit; climb or balance; and stoop, kneel, crouch, or crawl. The employee is regularly required to lift up to 10 pounds. The employee is frequently required to lift up to 25 pounds; and up to 50 pounds. The vision requirements include close vision, distance vision, peripheral vision, depth perception, and ability to adjust focus.

WORK AUTHORIZATION/SECURITY CLEARANCE

U.S. Citizenship required Top Secret Clearance with SCI eligibility required

OTHER DUTIES

Note: This job description is not designed to cover or contain a comprehensive listing of activities, duties, or responsibilities that are required of the employee for this job. Duties, responsibilities, and activities may change at any time with or without notice.

EQUAL EMPLOYMENT OPPORTUNITY

TekSynap is an equal opportunity employer. Women, minorities, veterans, and individuals with disabilities are encouraged to apply. The company maintains a drug‑free workplace and reserves the right to conduct drug screening in accordance with federal, state, and local laws. #J-18808-Ljbffr TekSynap