ECS is seeking a CISO to work in our Sierra Vista, AZ office.
The Chief Information Security Officer will serve as the senior cybersecurity leader and principal security advisor to the Program Manager for The Army Endpoint Security Solution (AESS). This role is responsible for protecting the service delivery environment, including back-end and front-end security infrastructure, endpoints, servers, networks, customer-facing services, and supporting operational platforms.
The CISO will lead cybersecurity governance, risk management, information assurance, security operations, compliance, documentation, and policy activities across the program. The role provides oversight of Information Assurance and Security Operations Center personnel and ensures program alignment with DoD requirements, RMF, NIST SP 800-53, DoD security baselines, DISA STIGs, ACAS scanning, continuous monitoring, vulnerability management, and Zero Trust principles.
- Senior security advisor to the Program Manager on cybersecurity risk, compliance, security operations, incident response, and mission assurance matters.
- Lead the cybersecurity strategy for the AESS.
- Oversee Information Assurance and SOC personnel, including day-to-day security operations, compliance activities, documentation, reporting, and process improvement.
- Ensure the security of service delivery infrastructure, including endpoint security platforms, backend systems, frontend services, servers, networks, administrative access paths, and customer-facing capabilities.
- Provide oversight of SOC, including monitoring, alert triage, incident response, threat hunting, detection engineering, escalation management, SIEM/EDR operations, and security reporting.
- Lead Information Assurance activities, (RMF support, control documentation, evidence collection, assessment readiness, POA&M management, continuous monitoring, and security authorization support).
- Ensure compliance with NIST SP 800-53, DoD cybersecurity requirements, DoD security baselines, DISA STIGs, ACAS scanning requirements, and applicable customer security policies.
- Oversee vulnerability management activities, (ACAS scan coordination, findings analysis, remediation tracking, risk reporting, and compliance validation).
- Ensure STIG compliance is implemented, documented, reviewed, and maintained across applicable endpoints, servers, applications, databases, infrastructure, and network devices.
- Develop, maintain, and enforce cybersecurity policies, standards, plans, procedures, playbooks, runbooks, and security documentation.
- Establish/maintain program-level cybersecurity risk management process, (risk identification, tracking, mitigation recommendations, and risk reporting).
- Advise on security impacts of architecture changes, service enhancements, onboarding/offboarding activities, integrations, and operational changes.
- Provide regular security posture updates to the Program Manager, customer stakeholders, and internal leadership.
- Track/report key security metrics, (incident trends, vulnerability status, POA&M progress, compliance posture, SOC performance, and remediation activities).
- Coordinate with endpoint engineering, infrastructure, network, systems administration, identity, cloud, service desk, compliance, and operations teams.
- Support audits, assessments, inspections, cybersecurity reviews, and contract deliverables.
- Mentor and guide security personnel while promoting a culture of accountability, mission support, and continuous improvement.
General Description of Benefits
Preferred Qualifications- Active Top Secret clearance.
- Bachelor’s degree in cybersecurity, computer science, information systems, engineering, or a related discipline.
- Minimum of 16 years of cybersecurity experience.
- Demonstrated experience supporting Department of Defense environments.
- Experience in a senior cybersecurity leadership, information assurance, security operations, security architecture, or cyber risk management role.
- Strong knowledge of RMF, NIST SP 800-53, DoD cybersecurity requirements, DISA STIGs, DoD security baselines, POA&M management, continuous monitoring, and vulnerability management.
- Experience overseeing SOC activities, including security monitoring, alert triage, incident response, threat hunting, detection engineering, escalation, and reporting.
- Familiarity with endpoint security, infrastructure security, network security, server security, identity and access management, logging, monitoring, and vulnerability management technologies.
- Strong understanding of Zero Trust concepts and their application in enterprise or government environments.
- Excellent written and verbal communication skills, including the ability to brief technical risk to program leadership, government customers, and non-technical stakeholders.
- Must be local to the Sierra Vista, AZ
- CISSP or CISM
- ITIL Certification
Skills Required
- Active Top Secret clearance
- Bachelor's degree in cybersecurity, computer science, information systems, engineering, or a related discipline
- Minimum of 16 years of cybersecurity experience
- Demonstrated experience supporting Department of Defense environments
- Experience in senior cybersecurity leadership, information assurance, security operations, security architecture, or cyber risk management
- Knowledge of RMF, NIST SP 800-53, DoD cybersecurity requirements, DISA STIGs, DoD security baselines, POA&M management, continuous monitoring, and vulnerability management
- Experience overseeing SOC activities, including monitoring, alert triage, incident response, threat hunting, detection engineering, escalation, and reporting
- Familiarity with endpoint, infrastructure, network, server, identity and access management, logging, monitoring, and vulnerability management technologies
- Understanding of Zero Trust concepts in enterprise or government environments
- Excellent written and verbal communication skills, including briefing technical risk to leadership, customers, and nontechnical stakeholders
- Must be local to Sierra Vista, Arizona
- CISSP or CISM certification
- ITIL certification
ECS Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about ECS and has not been reviewed or approved by ECS.
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Healthcare Strength — ECS advertises multiple national-network medical plan options with HSA eligibility alongside dental and vision coverage. Coverage generally begins quickly and is paired with company-paid short- and long-term disability, adding stability to the health package.
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Retirement Support — A 401(k) with Safe Harbor and immediate vesting on employer contributions is emphasized, with an employer match available. Access to an employee stock purchase plan via the parent company provides an additional savings avenue.
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Parental & Family Support — Paid parental leave up to 30 days, adoption assistance, and other family-oriented leaves are highlighted. Feedback suggests these offerings add meaningful value beyond base pay for many roles.
ECS Insights
What We Do
ECS, a segment of ASGN (NYSE: ASGN), delivers advanced solutions and services in cloud, cybersecurity, artificial intelligence (AI), machine learning (ML), application and IT modernization, and science and engineering. The company solves critical, complex challenges for customers across the U.S. public sector, defense, intelligence and commercial industries. ECS maintains partnerships with leading cloud, cybersecurity, and AI/ML providers and holds specialized certifications in their technologies. Headquartered in Fairfax, Virginia, ECS has more than 3,400 employees throughout the U.S. and has been recognized as a Top Workplace by The Washington Post for the last five years.








