Aretum · 19 hours ago
Security Engineer & Operations - Senior
United States
Full-time
Remote
Senior Level, Lead/Staff
$150K/yr - $180K/yr
8+ years expAretum is a mission-driven organization committed to delivering innovative, technology-enabled solutions to our customers across defense, civilian, and homeland security sectors. The Senior-Level Security Engineer & Operations professional provides advanced cybersecurity and security engineering support, technical leadership, and incident response for Department of War mission systems in classified environments.
ConsultingInformation Technology
No H1B
Security Clearance RequiredU.S. Citizen Only
Responsibilities
Support planning, assessment, and implementation of Zero Trust principles across classified environments
Evaluate identity, device, network, application, and data protection controls
Assess Zero Trust maturity against DoD Zero Trust reference architectures
Provide recommendations to reduce implicit trust and strengthen access control enforcement
Oversee SIEM and SOAR operations for classified networks
Analyze security logs, alerts, and correlated events to identify threats and anomalous behavior
Perform traffic pattern analysis to detect lateral movement, unauthorized activity, and data exfiltration risks
Support incident response investigations and forensic analysis
Oversee vulnerability management and advanced vulnerability analysis efforts
Assess mission risk across enterprise, tactical, and mission networks
Ensure the security posture of complex, interconnected classified systems
Configure and manage AWS Security toolsets (CloudTrail, GuardDuty, Inspector, Security Hub)
Provide technical leadership and guidance to engineering, operations, and compliance teams
Mentor junior and mid-level cybersecurity personnel
Support cybersecurity strategy development and continuous process improvement
Stay current with emerging threats, adversary TTPs, and evolving DoD cybersecurity guidance
Qualification
Required
Master's Degree + 5 years of relevant experience or Bachelor's Degree + 8 years of relevant experience
8-12 years of experience in information assurance, cybersecurity, or security engineering
IAT Level III Certification Must possess one of the following: CASP+ CE, CCNP Security+, CISA, CISSP, GCED, GCIH, or CCSP
Active Top Secret Clearance Required
Extensive experience supporting RMF in classified C5ISR and IIR environments
Strong hands-on experience with ACAS, ESS, SIEM/SOAR, SCAP, DISA STIGs, and Burp Suite
Demonstrated expertise in traffic pattern analysis and advanced vulnerability analysis
Expert knowledge of NIST 800-series publications and DoD cybersecurity requirements
Proven ability to lead complex cybersecurity and compliance efforts across multiple systems
Demonstrated willingness to learn new tools/techniques and support cross-functional cybersecurity activities as mission needs evolve
Preferred
Extensive knowledge of AWS Security
Experience supporting Department of War, DoD, or intelligence community mission systems
Advanced certifications such as CISSP, CISM, CAP, or GSLC
Experience implementing or assessing Zero Trust architectures
Familiarity with cross-domain solutions and interconnected system authorization
Hands-on experience with SIEM/SOAR tuning
Benefits
Health Care Plan (Medical, Dental & Vision)
Retirement Plan (401k)
Life Insurance (Basic, Voluntary & AD&D)
Paid Time Off
Family Leave (Maternity, Paternity)
Short Term & Long-Term Disability
Training & Development
Company
Aretum
ARETUM is a government contracting company specializing in technology-enabled mission support services for the Department of Defense.
501-1000 employees
Funding
Current Stage
Late StageLeadership Team
Bobby Frazitta
Vice President of People
Tiffany Bailey
Executive Vice President
Recent News
Washington Technology
2025-12-13
Venture Capital
2025-12-13
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