M.C. Dean
Cybersecurity System Administrator - DMV
M.C. Dean, Washington, District of Columbia, us, 20022
Overview
M.C. Dean is seeking a highly skilled
Cybersecurity System Administrator
to support a secure operational technology environment by integrating advanced system administration with proactive cybersecurity operations. This dual‑role position requires an individual with both hands‑on technical expertise in managing modern enterprise IT systems and a deep understanding of federal cybersecurity frameworks and risk management.
Primary Responsibilities
System Administration Duties
Install, configure, upgrade, and maintain enterprise systems including Windows Server 2019/2022, Windows 10, RHEL 7/8, VMware ESXi/vSAN infrastructure, Web browsers, Adobe Acrobat, and other desktop applications.
Manage virtual machines and storage in a VMware vSAN environment.
Administer Microsoft SCCM, WSUS, Active Directory (AD), Group Policy (GPO), and perform system patching and image deployment.
Integrate and maintain vendor systems and third‑party applications within a Windows ecosystem.
Operate and manage jump (bastion) hosts for network segregation and secure remote access.
Coordinate with development and support teams to test system hardware/software and optimize performance.
Provide Tier 1‑3 support, troubleshoot incidents, and maintain operational resilience via regular backups and recovery plans.
Load PKI certificates and maintain change management documentation and incident logs.
Cybersecurity Operations
Serve as the Information System Security Manager (ISSM) for all assigned systems.
Monitor networks for real‑time threat indicators; investigate and respond to security events.
Implement and operate cybersecurity tools such as ACAS, Nessus, SCAP, and STIG Checklists.
Conduct and remediate vulnerability scans; follow DISA STIGs and IAVA compliance.
Manage POA&M’s, deviation lists, and ensure systems maintain Authority to Operate (ATO).
Provide FRCS cybersecurity engineering support and continuous monitoring in accordance with DoD and Army standards.
Perform penetration testing, threat analysis, and security risk assessments in lab/test environments.
Collaborate with stakeholders to improve system hardening, respond to ICS‑CERT alerts, and mitigate CAT 1/2/3 vulnerabilities.
Compliance & Documentation
Maintain up‑to‑date security artifacts, plans, and policies as required under RMF, NIST SP 800‑series, FISMA, and FedRAMP.
Load documentation and scan data into the A&A Asset Manager.
Facilitate FISMA‑required annual reviews (e.g., Contingency Plans, Security Controls).
Support system reauthorization activities, including 5‑day on‑site assessments if required.
Educate end users on security best practices and threat awareness.
Work Conditions & Travel
Primarily on‑site; periodic travel may be required for assessments or installations.
Participation in on‑site assessments up to 5 days in duration.
Occasional after‑hours support for mission‑critical operations.
Position Responsibilities
Conduct ICA/SCADA system inventories following guidance including U.S. Army IC inventory methodology and UFC 4‑010‑06, Cybersecurity of Facility‑Related Control Systems.
Assist in the development and verification of documentation necessary to complete the DoD RMF assessment and authorization process.
Implement DoD Security Technical Implementation Guides (STIGs) on traditional IT and OT systems.
Conduct vulnerability scanning and document system vulnerabilities.
Work in a team environment alongside other cybersecurity engineers and RMF analysts.
Required Education & Experience
Active TS/SCI with polygraph clearance.
3+ years of experience with a master’s degree in Information Technology, Risk Management, Cybersecurity.
5+ years of experience with a bachelor’s degree in the same fields.
8+ years of experience with an associate’s degree in the same fields.
11+ years with a high school diploma.
Ability to process and operate application software (word processing, spreadsheets, databases).
Must meet DoD Directive 8570.01 (IAM II, IAT II, IASAE II) and DoD 8570‑M requirements.
Documented training in network infrastructure (Cisco) and Microsoft Windows.
Experience with government/commercial projects implementing cybersecurity for industrial control systems.
Qualifications Minimum Requirements
DoD 8140 IAT Level II certification (e.g., Security+, CCNA Security, CySA+).
TS/SCI clearance.
5+ years of experience in DoD RMF cybersecurity and system administration.
Experience with IA tools and processes: STIGs, Nessus, SCAP, ACAS, vulnerability management.
Demonstrated knowledge of Windows Server/Client, RHEL, VMware; cybersecurity frameworks RMF, NIST SP 800‑53, FISMA; security monitoring, firewalls, encryption toolsets.
Preferred
Bachelor’s degree in Computer Science, Information Systems, or related technical field.
Familiarity with federal cybersecurity policy, FRCS/ICS security operations, and DoD IA compliance.
Additional Preferred Qualifications
5+ years experience working with industry and government agencies on the design of IC platforms and integrated IC systems.
Strong preference for DoD 8570 Level 3 certifications (IAM III, IAT III, IASAE III).
Familiarity with various industry IC products and security assessment tools.
Implementation of DoD STIGs.
Security Readiness Review tools (scripts, OVAL benchmarks, ACAS, Wireshark).
Excellent understanding of DoD RMF lifecycle and NIST 800‑53 controls implementation.
Strong written and verbal communication; ability to coordinate with multiple team members, vendors, and government customers.
Ability to identify, maintain, and troubleshoot HMI components; control network components; interpret mechanical/electrical drawings; maintain SCADA systems and KPIs; train others.
Access to all levels and areas of the facility; working knowledge of EMS/SCADA or other operational control systems.
Knowledge of SCADA protocols like Modbus, IEC 60870‑5‑101/104, IEC 61850, DNP3 and other major protocols.
Awareness of NIST SP 800‑82, Guide to Industrial Control Systems, UFC 4‑010‑06; awareness of DoD RMF process.
Excellent customer service, organization, oral and written communication skills.
Preferred Certifications
Certified Information Systems Security Professional (CISSP)
Certified Ethical Hacker (CEH)
Certified SCADA Security Architect (CSSA) Related Control Systems.
Abilities
Exposure to computer screens for extended periods.
Sitting for extended periods.
Reach by extending hands or arms in any direction.
Have finger dexterity to manipulate objects with fingers.
Listen to and understand information presented verbally.
Communicate information in speaking so others will understand.
Read and understand information presented in writing.
Apply general rules to specific problems to produce sensible answers.
Identify and understand the speech of another person.
Benefits
A competitive salary
Medical, dental, vision, life, and disability insurance
Paid‑time off
Tuition reimbursement
401(k) retirement plan
Military Reserve pay offset
Paid maternity leave
Pay Range USD $104,080.00 – USD $156,120.00 /Yr.
#J-18808-Ljbffr
Cybersecurity System Administrator
to support a secure operational technology environment by integrating advanced system administration with proactive cybersecurity operations. This dual‑role position requires an individual with both hands‑on technical expertise in managing modern enterprise IT systems and a deep understanding of federal cybersecurity frameworks and risk management.
Primary Responsibilities
System Administration Duties
Install, configure, upgrade, and maintain enterprise systems including Windows Server 2019/2022, Windows 10, RHEL 7/8, VMware ESXi/vSAN infrastructure, Web browsers, Adobe Acrobat, and other desktop applications.
Manage virtual machines and storage in a VMware vSAN environment.
Administer Microsoft SCCM, WSUS, Active Directory (AD), Group Policy (GPO), and perform system patching and image deployment.
Integrate and maintain vendor systems and third‑party applications within a Windows ecosystem.
Operate and manage jump (bastion) hosts for network segregation and secure remote access.
Coordinate with development and support teams to test system hardware/software and optimize performance.
Provide Tier 1‑3 support, troubleshoot incidents, and maintain operational resilience via regular backups and recovery plans.
Load PKI certificates and maintain change management documentation and incident logs.
Cybersecurity Operations
Serve as the Information System Security Manager (ISSM) for all assigned systems.
Monitor networks for real‑time threat indicators; investigate and respond to security events.
Implement and operate cybersecurity tools such as ACAS, Nessus, SCAP, and STIG Checklists.
Conduct and remediate vulnerability scans; follow DISA STIGs and IAVA compliance.
Manage POA&M’s, deviation lists, and ensure systems maintain Authority to Operate (ATO).
Provide FRCS cybersecurity engineering support and continuous monitoring in accordance with DoD and Army standards.
Perform penetration testing, threat analysis, and security risk assessments in lab/test environments.
Collaborate with stakeholders to improve system hardening, respond to ICS‑CERT alerts, and mitigate CAT 1/2/3 vulnerabilities.
Compliance & Documentation
Maintain up‑to‑date security artifacts, plans, and policies as required under RMF, NIST SP 800‑series, FISMA, and FedRAMP.
Load documentation and scan data into the A&A Asset Manager.
Facilitate FISMA‑required annual reviews (e.g., Contingency Plans, Security Controls).
Support system reauthorization activities, including 5‑day on‑site assessments if required.
Educate end users on security best practices and threat awareness.
Work Conditions & Travel
Primarily on‑site; periodic travel may be required for assessments or installations.
Participation in on‑site assessments up to 5 days in duration.
Occasional after‑hours support for mission‑critical operations.
Position Responsibilities
Conduct ICA/SCADA system inventories following guidance including U.S. Army IC inventory methodology and UFC 4‑010‑06, Cybersecurity of Facility‑Related Control Systems.
Assist in the development and verification of documentation necessary to complete the DoD RMF assessment and authorization process.
Implement DoD Security Technical Implementation Guides (STIGs) on traditional IT and OT systems.
Conduct vulnerability scanning and document system vulnerabilities.
Work in a team environment alongside other cybersecurity engineers and RMF analysts.
Required Education & Experience
Active TS/SCI with polygraph clearance.
3+ years of experience with a master’s degree in Information Technology, Risk Management, Cybersecurity.
5+ years of experience with a bachelor’s degree in the same fields.
8+ years of experience with an associate’s degree in the same fields.
11+ years with a high school diploma.
Ability to process and operate application software (word processing, spreadsheets, databases).
Must meet DoD Directive 8570.01 (IAM II, IAT II, IASAE II) and DoD 8570‑M requirements.
Documented training in network infrastructure (Cisco) and Microsoft Windows.
Experience with government/commercial projects implementing cybersecurity for industrial control systems.
Qualifications Minimum Requirements
DoD 8140 IAT Level II certification (e.g., Security+, CCNA Security, CySA+).
TS/SCI clearance.
5+ years of experience in DoD RMF cybersecurity and system administration.
Experience with IA tools and processes: STIGs, Nessus, SCAP, ACAS, vulnerability management.
Demonstrated knowledge of Windows Server/Client, RHEL, VMware; cybersecurity frameworks RMF, NIST SP 800‑53, FISMA; security monitoring, firewalls, encryption toolsets.
Preferred
Bachelor’s degree in Computer Science, Information Systems, or related technical field.
Familiarity with federal cybersecurity policy, FRCS/ICS security operations, and DoD IA compliance.
Additional Preferred Qualifications
5+ years experience working with industry and government agencies on the design of IC platforms and integrated IC systems.
Strong preference for DoD 8570 Level 3 certifications (IAM III, IAT III, IASAE III).
Familiarity with various industry IC products and security assessment tools.
Implementation of DoD STIGs.
Security Readiness Review tools (scripts, OVAL benchmarks, ACAS, Wireshark).
Excellent understanding of DoD RMF lifecycle and NIST 800‑53 controls implementation.
Strong written and verbal communication; ability to coordinate with multiple team members, vendors, and government customers.
Ability to identify, maintain, and troubleshoot HMI components; control network components; interpret mechanical/electrical drawings; maintain SCADA systems and KPIs; train others.
Access to all levels and areas of the facility; working knowledge of EMS/SCADA or other operational control systems.
Knowledge of SCADA protocols like Modbus, IEC 60870‑5‑101/104, IEC 61850, DNP3 and other major protocols.
Awareness of NIST SP 800‑82, Guide to Industrial Control Systems, UFC 4‑010‑06; awareness of DoD RMF process.
Excellent customer service, organization, oral and written communication skills.
Preferred Certifications
Certified Information Systems Security Professional (CISSP)
Certified Ethical Hacker (CEH)
Certified SCADA Security Architect (CSSA) Related Control Systems.
Abilities
Exposure to computer screens for extended periods.
Sitting for extended periods.
Reach by extending hands or arms in any direction.
Have finger dexterity to manipulate objects with fingers.
Listen to and understand information presented verbally.
Communicate information in speaking so others will understand.
Read and understand information presented in writing.
Apply general rules to specific problems to produce sensible answers.
Identify and understand the speech of another person.
Benefits
A competitive salary
Medical, dental, vision, life, and disability insurance
Paid‑time off
Tuition reimbursement
401(k) retirement plan
Military Reserve pay offset
Paid maternity leave
Pay Range USD $104,080.00 – USD $156,120.00 /Yr.
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