Apex Systems
Job# : 2088174
Information Systems Security Engineer / ACAS System Administrator
Location: Norfolk, VA on-site
Type: 6 month contract to hire (performance based)
Pay : $48-58 / hr experience dependent
Apply Here :
Please send your updated resume, relevant certifications, and availibility for a call to Emma at
We’re seeking an experienced Information Systems Security Engineer / ACAS System Administrator to join our NTCSS Systems Team at Norfolk VA. You’ll lead vulnerability assessment operations using ACAS, coordinate mitigation planning, and serve as the primary interface for incident response efforts.
Responsibilities
Lead vulnerability assessment operations using ACAS (Nessus, Security Center)
Perform regular vulnerability scans and manage remediation tracking
Conduct incident investigations and develop remediation strategies
Generate ATO documentation supporting RMF accreditation
Monitor system integrity through auditing and patch management
Ensure compliance with DoD security requirements
Design optimized security workflows to improve efficiency
Qualifications
US Citizenship
Active Secret clearance (ability to obtain T5 investigation clearance)
DoD 8570 IAT Level 2+ certification (Security+, Network+, CISSP)
5+ years’ experience solving technical problems
Experience with DoD Business IT systems
Demonstrated knowledge of ACAS architecture administration (SecurityCenter, Nessus)
Proven experience with vulnerability remediation and patch management
Validated experience in Windows / Linux system administration
Documented experience in Active Directory and domain services
Documented experience in DoD STIGs and compliance requirements
Substantiated skill in TCP / IP networking and firewall configurations [3]
Demonstrated knowledge of ACAS deployment in enterprise environments
Evidenced mastery of System integration and authentication
Validated experience in scan policy configuration and vulnerability analysis
Documented experience in security patch implementation to DoD standards
Showcased understanding of technical documentation and compliance reporting
Exhibited familiarity with Automation scripting for deployment and monitoring [3]
Demonstrated End-to-end vulnerability management expertise
Displayed adeptness in problem-solving abilities in complex security environments
Evidenced mastery of multi-platform support capabilities
Demonstrated strong security mindset and collaborative approach
Excellent time management and prioritization skills
EEO Employer Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or 844-463-6178.
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Information Systems Security Engineer / ACAS System Administrator
Location: Norfolk, VA on-site
Type: 6 month contract to hire (performance based)
Pay : $48-58 / hr experience dependent
Apply Here :
Please send your updated resume, relevant certifications, and availibility for a call to Emma at
We’re seeking an experienced Information Systems Security Engineer / ACAS System Administrator to join our NTCSS Systems Team at Norfolk VA. You’ll lead vulnerability assessment operations using ACAS, coordinate mitigation planning, and serve as the primary interface for incident response efforts.
Responsibilities
Lead vulnerability assessment operations using ACAS (Nessus, Security Center)
Perform regular vulnerability scans and manage remediation tracking
Conduct incident investigations and develop remediation strategies
Generate ATO documentation supporting RMF accreditation
Monitor system integrity through auditing and patch management
Ensure compliance with DoD security requirements
Design optimized security workflows to improve efficiency
Qualifications
US Citizenship
Active Secret clearance (ability to obtain T5 investigation clearance)
DoD 8570 IAT Level 2+ certification (Security+, Network+, CISSP)
5+ years’ experience solving technical problems
Experience with DoD Business IT systems
Demonstrated knowledge of ACAS architecture administration (SecurityCenter, Nessus)
Proven experience with vulnerability remediation and patch management
Validated experience in Windows / Linux system administration
Documented experience in Active Directory and domain services
Documented experience in DoD STIGs and compliance requirements
Substantiated skill in TCP / IP networking and firewall configurations [3]
Demonstrated knowledge of ACAS deployment in enterprise environments
Evidenced mastery of System integration and authentication
Validated experience in scan policy configuration and vulnerability analysis
Documented experience in security patch implementation to DoD standards
Showcased understanding of technical documentation and compliance reporting
Exhibited familiarity with Automation scripting for deployment and monitoring [3]
Demonstrated End-to-end vulnerability management expertise
Displayed adeptness in problem-solving abilities in complex security environments
Evidenced mastery of multi-platform support capabilities
Demonstrated strong security mindset and collaborative approach
Excellent time management and prioritization skills
EEO Employer Apex Systems is an equal opportunity employer. We do not discriminate or allow discrimination on the basis of race, color, religion, creed, sex (including pregnancy, childbirth, breastfeeding, or related medical conditions), age, sexual orientation, gender identity, national origin, ancestry, citizenship, genetic information, registered domestic partner status, marital status, disability, status as a crime victim, protected veteran status, political affiliation, union membership, or any other characteristic protected by law. Apex will consider qualified applicants with criminal histories in a manner consistent with the requirements of applicable law. If you have visited our website in search of information on employment opportunities or to apply for a position, and you require an accommodation in using our website for a search or application, please contact our Employee Services Department at or 844-463-6178.
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