Senior Information Security Analyst

Socket.dev; Washington (District of Columbia); Hybrid; USD 105,000 - 115,000; Full time

Job summary

CALIBRE Systems, Inc. is seeking a Senior Information Security Analyst to support a DoD client with enterprise cybersecurity for a large program serving military families. The role is hybrid with some required meetings in Alexandria, VA.

The candidate will lead RMF/ATO, continuous monitoring, and eMASS, while guiding Zero Trust implementation across IL2, IL4, and IL5 cloud infrastructure. ATO sustainment and governance with government stakeholders are key. Salary range will be from $105k-$115k.

Qualifications

• Active Secret clearance is required.
• Experience leading RMF, ATO, and continuous monitoring activities.
• Experience with DoD cloud infrastructure.
• Ability to coordinate with government stakeholders.

Responsibilities

• Lead RMF, ATO, continuous monitoring, and eMASS activities.
• Develop Zero Trust architecture across cloud IL2/IL4/IL5.
• Design and implement advanced security architectures.
• Oversee DISA STIG/SRG and ACAS assessments.
• Lead POA&M governance and evidence collection.
• Coordinate with Tier 2 CSP and incident lifecycle management.
• Develop automated incident response workflows and playbooks.
• Attend SIPRNet briefings as required.

Skills

RMF

eMASS

Zero Trust

Incident response

Vulnerability management

Threat detection

SIEM

DISA STIG

ACAS

Cloud security

Governance

Job description

CALIBRE Systems, Inc., an employee-owned mission focused solutions and digital transformation company, is looking for a highly qualified Senior Information Security Analyst to support a DoD client with enterprise cybersecurity for a large program serving military families. This position will be hybrid with some required meetings in Alexandria, VA.

This candidate will lead and oversee cybersecurity compliance, security architecture, threat detection, vulnerability management, incident response, RMF/eMASS support, and ATO sustainment for DoD cloud infrastructure and information systems. The senior analyst will provide technical leadership for Zero Trust Architecture implementation, advanced security monitoring, vulnerability remediation, cyber reporting, and coordination with Government cybersecurity stakeholders.

An active Secret clearance is required.

Salary range will be from $105k-$115k.

Key Responsibilities:

• Lead RMF, ATO, continuous monitoring, and eMASS activities, including development and execution of ATO action plans and sustainment documentation.
• Develop and maintain Zero Trust Architecture across IL2, IL4, and IL5 cloud infrastructure and prepare quarterly Zero Trust compliance briefings.
• Design and implement advanced security architectures for predictive threat detection, incident response, real-time security insights, and cloud infrastructure resilience.
• Oversee weekly DISA STIG/SRG and ACAS assessments, vulnerability prioritization, remediation planning, and integration of results into eMASS.
• Lead POA&M governance, evidence collection, mitigation planning, and validation coordination with ISSM, ISSO, SCA Team, CIO/AO, and other Government stakeholders.
• Direct monitoring and analysis of cyber resources, SIEM-integrated logs, WAF/NGFW activity, anomaly detection, account aging, compliance monitoring, insider threat indicators, and GovCloud logs.
• Provide rapid escalation and advisory support for abnormal findings, vulnerabilities, cyber threats, OPORDs, CTOs, WARNORDs, and secure incident communications.
• Lead vulnerability assessments and penetration testing for new or modified applications, servers, databases, and infrastructure components before deployment.
• Coordinate with the Tier 2 Cybersecurity Service Provider to support incident lifecycle management, response coordination, and reporting timelines.
• Develop, recommend, and implement automated incident response workflows, cybersecurity playbooks, threat simulation labs, and cross-agency exercise scenarios.
• Oversee recurring audits of cybersecurity SOPs, contingency planning, disaster recovery exercises, and reporting through the IT, Cybersecurity, and Data Operations Dashboard.
• Access SIPRNet and attend classified briefings at the Government facility in Alexandria, Virginia, as required.