Senior Information Systems Security Engineer

How to use this kit

Ground every answer in facts on this page and the original listing. We never invent Glassdoor-style reviews or salaries that are not in our data.

Interview prep

Be ready to walk through how you assess controls, run vulnerability analysis, coordinate breach investigations, and write security policy or emergency procedures—with concrete examples of monitoring, detection, and remediation tradeoffs.

Fit summary

Strong fit if you already lead ISSE-style control assessment, vulnerability work, and incident follow-through, and you can work on-site in Reston, VA for Anavationllc.

Day in the role

As a Senior Information Systems Security Engineer at Anavationllc, a typical day centers on keeping systems and networks hardened and recoverable.

• Assess security-control quality with performance indicators and coordinate vulnerability assessments.
• Monitor for breaches or intrusions; investigate incidents, map damage, and close gaps.
• Document and refine computer-security and emergency policies, procedures, and tests; help set standards and best practices.

Skills to emphasize

• freeCodeCamp — Full Stack curriculum — free
• Saylor Academy — Computer Science courses — free
• CS50 (Harvard, via edX) — free to learn
• Microsoft Learn — developer training paths — free to learn

FAQ from this listing

Is this role remote?

No. The listing is Reston, VA with remote set to off, so plan for on-site work in Fairfax County.

What does an ISSE do day to day?

Core work includes assessing security controls, coordinating vulnerability assessments and breach monitoring, investigating incidents, and documenting policies and standards.

Where can I see the occupation profile?

O*NET summarizes Information Systems Security Engineer tasks and related titles at 15-1299.05.

Occupation tasks (O*NET)

Public-domain labor data — prepare examples for 2–3 of these.

• Assess the quality of security controls, using performance indicators.
• Conduct investigations of information security breaches to identify vulnerabilities and evaluate the damage.
• Coordinate documentation of computer security or emergency measure policies, procedures, or tests.
• Coordinate monitoring of networks or systems for security breaches or intrusions.
• Coordinate vulnerability assessments or analysis of information security systems.
• Develop information security standards and best practices.
• Develop or implement software tools to assist in the detection, prevention, and analysis of security threats.
• Develop or install software, such as firewalls and data encryption programs, to protect sensitive information.

O*NET source

Role overview (listing rewrite)

Senior Information Systems Security Engineer (ISSE) at Anavationllc, Reston, VA About This Position AnaVation is seeking an experienced cyber professional to join our team and support a mission-critical customer in Reston, VA. As a Senior Information Systems Security Engineer (ISSE), you will design, develop, and integrate secure network and system architectures while building technical cybersecurity defenses, mitigating life-cycle risks, and ensuring compliance with government and industry standards such as the Risk Management Framework (RMF). What You'll Do Provide technical expertise to ensure network systems meet DIA C&A and IA requirements and are properly certified and accredited. Design, develop, and recommend integrated security system and physical control solutions that protect proprietary/confidential data and systems. Support the client during the strategic design process, translating security and business requirements into actionable technical designs. Manage information-related risks effectively throughout the DIA’s Authorization and Accreditation (A&A) process using RMF across the design lifecycle for classified systems obtaining and maintaining Interim Authorization to Test (IATT), Authority to Connect (ATC), and Authorization to Operate (ATO). Qualifications Experience in designing, developing, and integrating secure network and system architectures. Knowledge of DIA C&A and IA requirements. Proficiency in the Risk Management Framework (RMF) for classified systems. Ability to work on classified programs and Special Access Programs (SAP). Full-time, onsite position with no telework options. More About Anavationllc AnaVation is dedicated to providing unmatched value to our customers and employees through innovative solutions and an engaging culture. We believe in investing in great people who make a difference in the world of technology. Join us as we continue to drive innovation and excellence. Ready to Apply? To apply, complete your application directly on this page, or you'll be redirected to the employer's application platform to finish submitting there.

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Questions to ask them

• What does success look like in the first 90 days for this role?
• How is the team structured, and who would I work with most?
• What tools and systems does this role use daily?
• Is the work primarily based in Reston, VA, hybrid, or fully remote?