Senior Security Engineer

We have an outstanding Contract position for aSenior Security Engineer to join a leading Company located in theHuntsville, AL or Washington, DC surrounding area. Pay Rate: US Citizenship is required. Candidate must possess an Active Top Secret/SCI Security Clearance. This senior-level role leads the design, development, and operations of secure cloud platforms. It is one of the most advanced hands-on security engineering roles in the Cybersecurity Management portfolio. The engineer drives enterprise security strategy, advanced threat detection, cloud monitoring, incident response planning, cyber resiliency, and compliance with and federal security standards. This position functions as a subject matter expert and technical leader across the cybersecurity mission, collaborating with engineering teams, architects, ISSOs/ISSEs, and external government/industry partners. Job Responsibilities: 1. Security Architecture & Cloud Security Leadership

• Designs, implements, and continuously improves secure cloud-based architectures.
• Establishes enterprise-wide cloud security policies.

• Ensures all cloud solutions comply with NIST, CNSSI 4009, DoD policies, standards, and Zero Trust principles. 2. Incident Response & Threat Detection

• Leads incident response planning, including:
• Detection, analysis, containment, remediation.
• Post-incident reporting and corrective actions.
• Analyzes complex security data for indicators of compromise or emerging threats.

• Coordinates vulnerability management activities and provides actionable remediation guidance. 3. Advanced Cloud Monitoring & Security Operations

• Designs and manages monitoring systems, alerting mechanisms, log aggregation, and real-time security analytics.

• Performs data correlation, threat hunting, and deep-dive security analysis across multiple systems. 4. COMSEC & Cryptographic Key Management

• Oversees:
• COMSEC operations
• Crypto key management systems (CKMS)

• Enforcement of cryptographic security policies 5. Leadership, Guidance, and SME Support

• Advises cloud platform teams on:
• Secure coding
• Architecture best practices
• Hardening standards
• Acts as a trusted advisor to leadership and interagency partners.

• Mentors junior and mid-level security engineers. 6. Compliance, Governance & Risk Management

• Ensures ongoing compliance with:
• NIST SP 800-series
• CNSSI 4009
• Federal privacy and cybersecurity requirements
• specific governance

• Leads reviews, assessments, and audits of cloud and enterprise systems. Basic Hiring Criteria, VEVRAA Federal Contractor / Request Priority Protected Veteran Referrals / Equal Opportunity Employer / Veterans / Disabled To read our Candidate Privacy Information Statement, which explains how we will use your information, please visithttp://www.tadpgs.com/candidate-privacy/orhttps://pdsdefense.com/candidate-privacy/ The Company will consider qualified applicants with arrest and conviction records in accordance with federal, state, and local laws and/or security clearance requirements, including, as applicable:

• The California Fair Chance Act
• Los Angeles City Fair Chance Ordinance
• Los Angeles County Fair Chance Ordinance for Employers
• San Francisco Fair Chance Ordinance

• 8+ years of cybersecurity experience, including 3+ years specifically in cloud security.
• Deep knowledge of:
• Cloud security across multiple cloud environments (AWS/Azure/GovCloud).
• Security architecture, threat modeling, network defense, and data protection.
• Incident response and log correlation.
• Strong technical communication and leadership skills; ability to brief senior executives.

Depending on your temporary assignment, benefits may include direct deposit, free career counseling services, 401(k), select paid holidays, short-term disability insurance, skills training, employee referral bonus, and affordable medical coverage plan, and DailyPay (in some locations).