Apex Systems

HIRING Senior Engineer in Sierra Vista, AZ! Compensation $110k - $115k. Through 5/31/26 with possibility of conversion. Specific duties include, but are not limited to the following: · Provide Windows engineering support for the AGM baseline, including maintenance, validation, and release readiness · Perform Independent Verification & Validation (IV&V) of operating systems and applications · Conduct Systems Acceptance Testing (SAT) and release validation activities · Design and execute test plans, test cases, and verification procedures · Test operating systems and applications in controlled lab environments · Perform registry checks, configuration validations, and engineering compliance reviews · Conduct DoD security compliance testing and validation · Utilize SCAP and ACAS (Tenable) for automated vulnerability scanning and remediation validation · Track test results, defects, and remediation efforts using Azure DevOps · Develop dashboards and reports to monitor system status, risks, and validation results · Configure, maintain, patch, and support virtual environments using Hyper-V and VMware Workstation · Provide Tier III troubleshooting and break/fix support for system-level issues · Document technical issues, errors, and resolutions · Develop step-by-step remediation guides for Tier I and Tier II support teams · Coordinate with helpdesk, engineering teams, cybersecurity personnel, and leadership to ensure deployment readiness Certifications (IAT Level III) One of the following: • SecurityX • CCNP • CISA • CISSP (or Associate) Required Skills · Strong knowledge of Microsoft Windows operating systems · Experience with virtualization technologies (Hyper-V and/or VMware) · Experience with systems testing, validation, and deployment processes · Familiarity with security compliance frameworks and vulnerability management tools · Strong analytical, troubleshooting, and documentation skills

HIRING Senior Engineer in Sierra Vista, AZ! Compensation $110k - $115k. Through 5/31/26 with possibility of conversion. Specific duties include, but are not limited to the following: · Provide Windows engineering support for the AGM baseline, including maintenance, validation, and release readiness · Perform Independent Verification & Validation (IV&V) of operating systems and applications · Conduct Systems Acceptance Testing (SAT) and release validation activities · Design and execute test plans, test cases, and verification procedures · Test operating systems and applications in controlled lab environments · Perform registry checks, configuration validations, and engineering compliance reviews · Conduct DoD security compliance testing and validation · Utilize SCAP and ACAS (Tenable) for automated vulnerability scanning and remediation validation · Track test results, defects, and remediation efforts using Azure DevOps · Develop dashboards and reports to monitor system status, risks, and validation results · Configure, maintain, patch, and support virtual environments using Hyper-V and VMware Workstation · Provide Tier III troubleshooting and break/fix support for system-level issues · Document technical issues, errors, and resolutions · Develop step-by-step remediation guides for Tier I and Tier II support teams · Coordinate with helpdesk, engineering teams, cybersecurity personnel, and leadership to ensure deployment readiness Certifications (IAT Level III) One of the following: • SecurityX • CCNP • CISA • CISSP (or Associate) Required Skills · Strong knowledge of Microsoft Windows operating systems · Experience with virtualization technologies (Hyper-V and/or VMware) · Experience with systems testing, validation, and deployment processes · Familiarity with security compliance frameworks and vulnerability management tools · Strong analytical, troubleshooting, and documentation skills

HIRING Senior Engineer in Sierra Vista, AZ! Compensation $110k - $115k. Through 5/31/26 with possibility of conversion. Specific duties include, but are not limited to the following: · Provide Windows engineering support for the AGM baseline, including maintenance, validation, and release readiness · Perform Independent Verification & Validation (IV&V) of operating systems and applications · Conduct Systems Acceptance Testing (SAT) and release validation activities · Design and execute test plans, test cases, and verification procedures · Test operating systems and applications in controlled lab environments · Perform registry checks, configuration validations, and engineering compliance reviews · Conduct DoD security compliance testing and validation · Utilize SCAP and ACAS (Tenable) for automated vulnerability scanning and remediation validation · Track test results, defects, and remediation efforts using Azure DevOps · Develop dashboards and reports to monitor system status, risks, and validation results · Configure, maintain, patch, and support virtual environments using Hyper-V and VMware Workstation · Provide Tier III troubleshooting and break/fix support for system-level issues · Document technical issues, errors, and resolutions · Develop step-by-step remediation guides for Tier I and Tier II support teams · Coordinate with helpdesk, engineering teams, cybersecurity personnel, and leadership to ensure deployment readiness Certifications (IAT Level III) One of the following: • SecurityX • CCNP • CISA • CISSP (or Associate) Required Skills · Strong knowledge of Microsoft Windows operating systems · Experience with virtualization technologies (Hyper-V and/or VMware) · Experience with systems testing, validation, and deployment processes · Familiarity with security compliance frameworks and vulnerability management tools · Strong analytical, troubleshooting, and documentation skills

HIRING Senior Engineer in Sierra Vista, AZ! Compensation $110k - $115k. Through 5/31/26 with possibility of conversion. Specific duties include, but are not limited to the following: · Provide Windows engineering support for the AGM baseline, including maintenance, validation, and release readiness · Perform Independent Verification & Validation (IV&V) of operating systems and applications · Conduct Systems Acceptance Testing (SAT) and release validation activities · Design and execute test plans, test cases, and verification procedures · Test operating systems and applications in controlled lab environments · Perform registry checks, configuration validations, and engineering compliance reviews · Conduct DoD security compliance testing and validation · Utilize SCAP and ACAS (Tenable) for automated vulnerability scanning and remediation validation · Track test results, defects, and remediation efforts using Azure DevOps · Develop dashboards and reports to monitor system status, risks, and validation results · Configure, maintain, patch, and support virtual environments using Hyper-V and VMware Workstation · Provide Tier III troubleshooting and break/fix support for system-level issues · Document technical issues, errors, and resolutions · Develop step-by-step remediation guides for Tier I and Tier II support teams · Coordinate with helpdesk, engineering teams, cybersecurity personnel, and leadership to ensure deployment readiness Certifications (IAT Level III) One of the following: • SecurityX • CCNP • CISA • CISSP (or Associate) Required Skills · Strong knowledge of Microsoft Windows operating systems · Experience with virtualization technologies (Hyper-V and/or VMware) · Experience with systems testing, validation, and deployment processes · Familiarity with security compliance frameworks and vulnerability management tools · Strong analytical, troubleshooting, and documentation skills

HIRING Senior Engineer in Sierra Vista, AZ! Compensation $110k - $115k. Through 5/31/26 with possibility of conversion. Specific duties include, but are not limited to the following: · Provide Windows engineering support for the AGM baseline, including maintenance, validation, and release readiness · Perform Independent Verification & Validation (IV&V) of operating systems and applications · Conduct Systems Acceptance Testing (SAT) and release validation activities · Design and execute test plans, test cases, and verification procedures · Test operating systems and applications in controlled lab environments · Perform registry checks, configuration validations, and engineering compliance reviews · Conduct DoD security compliance testing and validation · Utilize SCAP and ACAS (Tenable) for automated vulnerability scanning and remediation validation · Track test results, defects, and remediation efforts using Azure DevOps · Develop dashboards and reports to monitor system status, risks, and validation results · Configure, maintain, patch, and support virtual environments using Hyper-V and VMware Workstation · Provide Tier III troubleshooting and break/fix support for system-level issues · Document technical issues, errors, and resolutions · Develop step-by-step remediation guides for Tier I and Tier II support teams · Coordinate with helpdesk, engineering teams, cybersecurity personnel, and leadership to ensure deployment readiness Certifications (IAT Level III) One of the following: • SecurityX • CCNP • CISA • CISSP (or Associate) Required Skills · Strong knowledge of Microsoft Windows operating systems · Experience with virtualization technologies (Hyper-V and/or VMware) · Experience with systems testing, validation, and deployment processes · Familiarity with security compliance frameworks and vulnerability management tools · Strong analytical, troubleshooting, and documentation skills