Top 948 Systems network security analyst Jobs in Annapolis Junction, Md

Information Systems Security Officer (ISSO), Network Security, TS/SCI
Data Systems Analysts, Inc. —Fort Meade, MD
- Computer science
- Computer Science
- Bachelor of Science
Quick Apply
Cybersecurity Vulnerability Analyst
Peraton —Linthicum, MD
- $104,000 - $166,000 a year
- Monday to Friday
- Computer Science
- Customer service
- Mid-level
- Health savings account
- Paid holidays
Cyber and Information Systems Security Analyst/ISSO
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $105,000 - $290,000 a year
- Full-time
- Computer science
- Computer Science
- 8 years
- Disability insurance
- Health insurance
1d
Junior Cyber Security Analyst
Everforth ECS —Fort Meade, MD
- $80,000 - $100,000 a year
- Office
- Windows
- Communication skills
IT Security Analyst
Baltimore Orioles —Baltimore, MD
- $90,000 - $100,000 a year
- On call
- Research
- Mid-level
- Analysis skills
- Free parking
- Store discount
Computer Network Defense Analyst
Markon —Fort Meade, MD
- $90,000 - $150,000 a year
- Full-time
- 18 years or older
- Computer science
- Doctoral degree
- Paid holidays
- Disability insurance
Computer Network Defense Analyst I
Chiron Technology Services, Inc. —Annapolis Junction, MD
- $100,000 - $110,000 a year
- Computer Science
- Mid-level
- Office
- AD&D insurance
- Health insurance
Cyber Security Analyst
By Light Professional IT Services LLC —Fort Meade, MD
- $130,000 - $155,000 a year
- Full-time
- Microsoft Access
- Microsoft Outlook
- Computer literacy
Computer Network Defense Analyst (All Levels)
Nyla Technology Solutions —Annapolis Junction, MD
- $98,000 - $255,000 a year
- 8 hour shift
- Computer Science
- System design
- Mid-level
- Loan repayment program
- Health insurance
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SOC Analyst (Tier 2) / Security Incident Investigator
CyberLinx Solutions LLC —Annapolis Junction, MD
- Full-time
- Mid-level
- Analysis skills
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Computer Network Defense Analyst II
Chiron Technology Services, Inc. —Annapolis Junction, MD
- $130,000 - $140,000 a year
- Computer Science
- 5 years
- Office
- AD&D insurance
- Health insurance
Data Analyst (Network Security)
Noblis —Washington, DC
- $59,200 - $112,150 a year
- Full-time
- Remote
- Computer Science
- Master's degree
- High school diploma or GED
- Health insurance
- Tuition reimbursement
13d
Digital Network Exploitation Analyst
National Security Agency —Fort Meade, MD
- $105,262 - $192,764 a year
- 8 hour shift
- Computer science
- Doctoral degree
- Computer Science
2d
Information System Security Compliance Analyst (Multiple Levels)
Noblis —Washington, DC
- $78,900 - $180,525 a year
- Full-time
- Remote
- 18 years or older
- Microsoft Excel
- 6 years
- Health insurance
- Tuition reimbursement
13d
Computer Network Defense Analyst III
Chiron Technology Services, Inc. —Annapolis Junction, MD
- $160,000 - $170,000 a year
- Computer Science
- Office
- 8 years
- AD&D insurance
- Health insurance
Chinese Operational Language Analyst
SOSi —Annapolis Junction, MD
- $73,743 - $153,159 a year
- Weekends as needed
- Research
- Mid-level
- Office
Quick Apply
TS/SCI Cleared Software Developer - Senior
Amentum —Fort George G Meade, MD
- $145,000 - $153,000 a year
- Full-time
- Software troubleshooting
- Office
- Master's degree
- Health savings account
- Relocation assistance
Quick Apply
Senior Systems Design Engineer / Analyst
Johns Hopkins Applied Physics Laboratory (APL) —Laurel, MD
- $100,000 - $245,000 a year
- Full-time
- 5 years
- System design
- Office
- Disability insurance
- Health insurance
7d
Clinical Supervisor - Suitland - $10,000 sign on bonus
Helping Hands Family —Suitland, MD
- $100,000 - $120,000 a year
- Background check
- Clinic
- Supervising experience
- Continuing education credits
- Health insurance
Quick Apply
Senior NOSC Analyst
Peraton —Washington, DC
- $112,000 - $179,000 a year
- Bachelor of Science
- Bachelor's degree
- Mentoring
- Health savings account
- Paid holidays

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Information Systems Security Officer (ISSO), Network Security, TS/SCI

Data Systems Analysts, Inc. -
Fort Meade, MD

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Job Details

Qualifications

Authentication
Document compliance management
Vulnerability scanning implementation
CCNP
NIST SP 800-53
Technical documentation
Cisco Nexus
CCNA
IT system monitoring
Configuration management
Network infrastructure
Network configuration for security systems
DHCP
Network scanners
Computer hardware
DoD 8570
DNS
Vulnerability management
VPN management
IAT
CompTIA Security+
IAT Level II
Vuls
IT security monitoring

Full Job Description

All hired employees are expected to have experience with Microsoft Copilot and / or an approved equivalent AI solution.

Description

Data Systems Analysts, Inc. (DSA) is seeking a TS/SCI cleared Information System Security Officer (ISSO), Network Security to support enterprise network systems in a secure DoD environment. The Network ISSO will support cybersecurity compliance, Risk Management Framework (RMF), vulnerability management, DISA STIG validation, continuous monitoring, and authorization sustainment for Cisco based network infrastructure.

The Network ISSO will work closely with network engineers, cybersecurity staff, ISSMs, ISSEs, system owners, and mission partners to ensure network systems remain secure, compliant, documented, and operationally effective. This role is suited for a technical ISSO with experience in RMF, ACAS, eMASS, POA&Ms, firewall rule reviews, ports and protocols, vulnerability remediation, and secure network operations.

This position is onsite in Charlottesville, VA.

Responsibilities

Support cybersecurity compliance, risk management, and continuous monitoring for enterprise network systems.
Review and validate security configurations for Cisco routers, switches, firewalls, and related network infrastructure.
Support DISA STIG validation, SCAP benchmarks, security baselines, and device hardening requirements.
Conduct, review, and validate vulnerability scans using ACAS, Tenable Nessus, STIG Viewer, and other approved DoD tools.
Analyze vulnerability findings, identify false positives, document risk, and coordinate remediation with network engineering teams.
Develop and maintain RMF documentation including SSPs, POA&Ms, Continuous Monitoring artifacts, hardware and software inventories, network diagrams, and control implementation details.
Support ATO package development, renewal, extension, audit readiness, and authorization sustainment activities.
Review firewall rules, access control lists, ports, protocols, services, VPN connections, network flows, and boundary protection controls.
Support change control reviews by assessing network changes for cybersecurity, RMF, documentation, and compliance impacts.
Monitor compliance through eMASS, ACAS, STIG Viewer, vulnerability management tools, and other approved DoD systems.
Support incident response activities by reviewing network related alerts, logs, firewall events, syslog data, authentication events, and corrective actions.
Prepare security status updates, vulnerability summaries, POA&M updates, compliance reports, and risk briefings for stakeholders and leadership.

Required Education, Certifications and Security Clearance

BS degree in Engineering, Computer Science, or related field
- Experience may be substituted for degree.
TS/SCI Clearance
DoD 8140 (8570) IAT Level II Certification
CCNA certification

Requirements Experience/Qualifications

Minimum 4 years of experience supporting cybersecurity, information assurance, network security, RMF, vulnerability management, or secure infrastructure operations.
Experience supporting cybersecurity activities within the DoD, Intelligence Community, or other secure enterprise environment.
Demonstrated understanding of DoD cybersecurity policy, RMF lifecycle, continuous monitoring, and authorization sustainment.
Experience developing or maintaining SSPs, POA&Ms, Continuous Monitoring documentation, control implementation details, and authorization artifacts.
Familiarity with eMASS for control tracking, package updates, risk documentation, and authorization maintenance.
Hands on experience with ACAS, Tenable Nessus, STIG Viewer, SCAP, or vulnerability management processes.
Experience reviewing, validating, or remediating vulnerability findings for network devices or supporting infrastructure.
Experience applying or validating DISA STIGs, secure configuration baselines, and hardening guidance.
Working knowledge of Cisco routers, switches, firewalls, Cisco ASA, Cisco Firepower, Cisco Secure Firewall, Cisco ISE, Catalyst, Nexus, ISR, or ASR platforms.
Working knowledge of routing, switching, VLANs, ACLs, firewall policies, ports, protocols, VPNs, IPsec, NAT, DNS, DHCP, subnetting, logging, and boundary protection.
Ability to review network diagrams, firewall rule sets, data flows, ports and protocols, and system interconnections for security and compliance impacts.
Experience coordinating with network engineers, system administrators, ISSMs, ISSEs, system owners, and mission partners to resolve security findings.
Knowledge of NIST SP 800-37, NIST SP 800-53, CNSSI 1253, DISA STIGs, DoD cybersecurity policy, and Intelligence Community cybersecurity requirements.
Strong documentation, communication, analytical, and coordination skills.

Preferred Experience/Qualifications

CCNP, CCNP Security, Cisco CyberOps, or equivalent network security certification.
CISSP, CISM, CGRC, CAP, CASP+, SecurityX, CySA+, CEH, PenTest+, or equivalent cybersecurity certification.
Experience supporting DoD or Intelligence Community network environments.
Experience securing, assessing, or documenting Cisco ASA, Cisco Firepower, Cisco Secure Firewall, Cisco ISE, Catalyst, Nexus, ISR, or ASR platforms.
Experience reviewing firewall rules, access control policies, route tables, network diagrams, ports and protocols, VPNs, boundary security, or system interconnection documentation.
Familiarity with Zero Trust principles, network segmentation, identity based access control, and modern DoD cybersecurity architecture.
Experience with Splunk, Elastic, ELK Stack, OpenSearch, SolarWinds, Wireshark, NetFlow, syslog, firewall logs, or other tools used to support monitoring and incident response.
Familiarity with network automation or scripting tools such as Ansible, Python, PowerShell, Terraform, or Cisco Catalyst Center.
Knowledge of continuous authorization, continuous monitoring, governance, risk management, and compliance sustainment.

Applicable Military Backgrounds

Army: 17C, 25B, 25D, 25H, 255A, 255N, 255S
Navy: IT, ITS, ITN, ITR, CWT, 1820, 1880
Air Force: 1B4X1, 1D7X1, 1D7X1A, 1D7X5, 17D, 17S
Marine Corps: 0631, 0671, 0681, 1702, 1721
Space Force: 5C0X1, 17X
Coast Guard: IT, CMS, CMM, C5I

#DSA209

#LI-KE1

Many of DSA's positions require the ability to obtain a security clearance. Security clearances may only be granted to U.S. citizens. In addition, applicants who accept a conditional offer of employment may be subject to government security investigation(s) and must meet eligibility requirements for access to classified information. DSA is proud to be an Equal Opportunity Employer. DSA is committed to treating all employees and applicants for employment with respect and dignity and maintaining a workplace that is free from unlawful discrimination. All qualified applicants will receive consideration for employment without regard to race, color, sex, sexual orientation, gender identity, religion, national origin, disability, veteran status, or other legally protected status. DSA requires background checks , where permitted , by law. DSA is an E-Verify Employer.

Quick Apply

Refine Your Search

systems network security analyst jobs in annapolis junction, md

Information Systems Security Officer (ISSO), Network Security, TS/SCI

Cybersecurity Vulnerability Analyst

Cyber and Information Systems Security Analyst/ISSO

Junior Cyber Security Analyst

IT Security Analyst

Computer Network Defense Analyst

Computer Network Defense Analyst I

Cyber Security Analyst

Computer Network Defense Analyst (All Levels)

SOC Analyst (Tier 2) / Security Incident Investigator

Computer Network Defense Analyst II

Data Analyst (Network Security)

Digital Network Exploitation Analyst

Information System Security Compliance Analyst (Multiple Levels)

Computer Network Defense Analyst III

Chinese Operational Language Analyst

TS/SCI Cleared Software Developer - Senior

Senior Systems Design Engineer / Analyst

Clinical Supervisor - Suitland - $10,000 sign on bonus

Senior NOSC Analyst

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