Information System Security Officer (ISSO) – Senior

ASRC Federal; Maryland; On-site; USD 110,000 - 160,000; Full time

Job summary

ASRC Federal Technology Solutions LLC is seeking an experienced Information System Security Officer to support DEVCOM-CBC G-6 at Aberdeen Proving Ground, MD. The role requires a Secret clearance and focuses on RMF, eMASS, STIGs, and vulnerability management across unclassified and classified systems.

You will manage ATO status, develop system artifacts, coordinate POA&M, and drive incident response initiatives while working closely with the DEVCOM-CBC G-6 Cybersecurity Branch.

Qualifications

• Bachelor's degree or equivalent experience with 5+ years RMF/EMASS work.
• Hands-on RMF EMASS authorization duties in a DoD context.
• Knowledge of Army DoD cybersecurity regs and AVS familiarity.
• Experience with AD account management and STIG/SRG audits.

Responsibilities

• Maintain current ATO status and provide RMF guidance to others.
• Develop, update artifacts and map controls in eMASS.
• Run and import vulnerability scanners (Nessus/ACAS) and scans.
• Track IAVAs and manage POA&M milestones and closures.
• Maintain CONMON and authorization documentation.
• Coordinate incident response for Negligent Disclosure events.
• Report test results, risk assessments and remediation actions.

Skills

RMF Expertise

EMASS

ATO

DoD Regulations

AD Account Mgmt

Incident Response

Education

Bachelor's degree or 5 yrs exp

DoD 8140 qualification

Tools

Active Directory

eMASS

POA&M

Nessus/ACAS

STIGs

Job description

Program: DEVCOM-CBC G-6

Location: On-site at Aberdeen Proving Ground, MD

US Gov. Security Clearance: A DoD Secret or higher

Position Type: Full-Time, Exempt

ASRC Federal Technology Solutions LLC is looking for an experienced Information System Security Officer with an active Secret clearance or higher to support their work with DEVCOM-CBC G-6. This position supports the development, implementation, and maintenance of cybersecurity policies, standards, and procedures, ensuring compliance with applicable Department of Defense (DoD), Army, and DEVCOM CBC regulations.

In this role, you will provide cybersecurity support to the DEVCOM-CBC G-6 Cybersecurity Branch, focusing on all aspects of Risk Management Framework (RMF) activities, cybersecurity assessments, and incident response. This role requires a deep understanding of cybersecurity principles, a strong analytical ability, and excellent communication skills to effectively convey complex information to both technical and non-technical audiences, while maintaining a broad portfolio of compliance and accounts management responsibilities across unclassified, classified, and standalone systems.

KEY RESPONSIBILITIES

• Maintain current Authority to Operate (ATO) status for DEVCOM systems and provide RMF guidance and support to other ACC locations with similar systems.
• Develop, update, and/or modify the system-level artifacts (e.g., TTPs, plans, policies, procedures, hardware/software lists, data flow, system architecture diagrams, PIAs, Ports/Protocols/Services, MOA/MOU, etc...) and ensure they are associated with corresponding controls in eMASS.
• Obtain, run, analyze, and import all applicable vulnerability scanners and compliance checkers as required, including STIGs, Nessus/ACAS Scans, etc...
• Track and report IAVAs related to DEVCOM systems.
• Create, modify, and/or maintain all aspects of the implementation plan and test results, as defined by DOD, Army, NETCOM, and DEVCOM requirements.
• Manage Plans of Action and Milestones (POA&M), including development, status updates, milestone tracking, and closure.
• Manage assigned network packages within eMASS and maintain accurate, current authorization documentation.
• Create, modify, and/or maintain all aspects of CONMON.
• Utilize existing or develop custom solutions to facilitate RMF requirements, reduce timelines and provide up-to-date status reporting of compliance
• Update and track cybersecurity test results, implementation plans, and risk assessments.
• Evaluate STIG checklists and document compliance status, deficiencies, and required remediation actions.
• Perform first-response coordination for Negligent Disclosure of Classified Information incidents in accordance with organization SOPs for incident response
• Conduct vulnerability management activities, including identifying, tracking, and coordinating corrective actions.

REQUIRED QUALIFICATIONS

• Bachelor's degree (BA/BS) in Computer Science, Information Technology, Engineering, or a related field or 4 additional years of experience (for a total of 5 years) in lieu of the degree
• 5 or more years of hands-on RMF EMASS Authorization duties
• Working knowledge of DoD and Army cybersecurity regulations including Army Regulation 25-2, DoD 8140, and DoD RMF policy
• Experience with Active Directory account management and STIG/SRG audit processes
• Familiarity with the Army Account Validation System (AVS) or equivalent DoD workforce compliance tracking platforms

PREFERRED QUALIFICATIONS

• Direct experience with eMASS, POA&M and RMF processes and responsibilities
• Experience serving as an Enhanced Trusted Agent for PKI hardware token issuance
• Experience performing Software Assurance or Hardware Assurance reviews for DoD networks
• Familiarity with NSA and Army data sanitization and destruction policy
• Experience coordinating Negligent Disclosure of Classified Information or classified spill incident response
• CISSP, CASP+, or CISM certification
• Experience supporting DEVCOM or Army G-6 cybersecurity programs

CLEARANCE LEVEL

• This position requires an active Secret clearance. An interim Secret clearance is acceptable until the full clearance is granted.

EDUCATION REQUIREMENTS

• Bachelor's degree in Information Technology, Computer Science, or a related field or 4 additional years of experience in lieu of the degree

CERTIFICATION

• DoDI 8140.03 qualification for DCWF Work Role Information Systems Security Manager (722 Intermediate). Accepted foundational qualifications include certifications mapped to Work Role 722 Intermediate in the current DoD 8140 Qualification Matrix, such as SecurityX, CASP+, CCISO, CCSP, CISSO, Cloud+, Security+, and SSCP.

Preferred

• CISSP
• SecurityX
• SSCP

WORK ENVIRONMENT AND PHYSICAL DEMANDS:

• This position primarily operates in a professional office environment at Aberdeen Proving Ground, MD, working within or alongside the DEVCOM-CBC G-6 Cybersecurity Branch. The role involves extended use of computer equipment and may require the candidate to move between buildings on the installation to support users and coordinate with government staff. Some work may involve access to classified facilities and systems. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions of this position.