Information Systems Security Engineer (ISSE) Active Clearance Required

Phoenix Operations Group • Columbia, MD

2d • Hybrid

About The Position

Phoenix Ops Group seeks an ISSE to secure complex networks, distributed architectures, and cloud systems supporting big data applications across enclaves with differing classification requirements.

Requirements

• Related bachelor’s degree and 9+ years of relevant experience; master’s and 7+ years; or high school diploma/equivalent and 13+ years.
• DoD accreditation experience; RMF preferred.
• Knowledge of TCP/IP, network architectures, control inheritance, and compliance.
• Applicable DoD 8140/IAT Level II certification.
• Experience with eMASS, Xacta, or equivalent authorization systems.
• Strong communication, collaboration, and independent problem-solving skills.
• Flexibility to accommodate hybrid schedule changes.
• U.S. citizenship and ability to obtain/maintain government clearance are required.
• Active clearance is preferred, not required initially.
• Onsite schedules require flexibility.

Nice To Haves

• CISSP-ISSEP
• experience with Bash, Kubernetes, RHEL, AWS, and Visio or draw.io.

Responsibilities

• Develop and review authorization documentation supporting federal and DoD requirements.
• Execute Risk Management Framework (RMF) activities, security assessments, and risk mitigation.
• Apply DISA STIGs/SRGs and NIST SP 800-53 controls.
• Evaluate open-source, government, and commercial software risks.
• Analyze vulnerability scans and coordinate remediation.
• Maintain authorization artifacts and Plans of Action and Milestones (POA&Ms).
• Guide engineering teams on secure designs and trusted external connections.

Benefits

• Medical, dental, and vision insurance: 100% company-paid premiums.
• Short-term disability, long-term disability, and life insurance: Fully company paid.
• 401(k): Automatic 10% company contribution; no matching required.
• Paid time off: Four weeks annually.
• Paid holidays: Eleven per year.
• Birthday leave: Your birthday off with pay.
• Referral bonuses: Upfront and annually recurring bonuses.
• Open-source bonuses: Rewards for contributing to our GitHub projects.
• Professional development: Paid training, certifications, and enrichment opportunities.

What This Job Offers

• Job Type: Full-time
• Career Level: Senior
• Education Level: High school or GED