1,708 information technology security engineer jobs at 545 companies in Frederick, MD

3mo
Save
Mark Applied
Hide
Information Security Engineer
Washington, District of Columbia, United States
$145k-$170k/yr OnsiteFull Time
Municipal Securities Rulemaking Board
Municipal Securities Rulemaking Board: A nonprofit self-regulatory organization that writes rules and operates market data systems for the U.S. municipal securities market.
7+ YOE7+ years in information security; strong incident response, detection engineering, IAM, networking, cloud/app security; experience with SIEM and security tooling.
SIEM, Vulnerability Management, Endpoint Security
1mo
Save
Mark Applied
Hide
Information Security Engineer
Reston, Virginia, United States
$100k-$110k/yr HybridFull Time
Babel Street
Babel Street: Private U.S. software providing AI-powered risk intelligence and data analytics to governments, businesses, and organizations.
3+ YOEBachelor's in cybersecurity or related, 3+ years in information security or security operations, experience with XDR/EDR, Entra ID, cloud platforms, incident investigation, scripting and automation.
Microsoft XDR, CrowdStrike Falcon, Microsoft Entra ID, AWS, Microsoft Azure, Google Cloud Platform (GCP), PowerShell, Python, Kusto Query Language (KQL), Splunk Processing Language (SPL), Microsoft Graph API, REST APIs, OpenCode, Claude, Gemini, GitHub Copilot, ChatGPT
2mo
Save
Mark Applied
Hide
Information System Security Engineer
Annapolis Junction, Maryland, United States
$155k-$225k/yr OnsiteFull Time
LufCo
LufCo: Woman-owned defense and systems engineering firm delivering secure software, sensing, cryptographic, and mission systems for government clients.
14+ YOE14 years of information security experience; TS/SCI with poly; CISSP; BS in Computer Science or related field; full-time.
Confluence, Security Engineering, IA Policy, Secure Networking
2w
Save
Mark Applied
Hide
Information Systems Security Engineer
Fort Meade, Maryland, United States
$215k-$225k/yr OnsiteFull Time
Markon Solutions
Markon Solutions: Government consulting firm specializing in management and technical services.
Bachelor's degree in a technical discipline, CISSP, active TS/SCI with polygraph, and experience in security engineering, RMF, vulnerability assessment, cloud security, and Government information systems.
Xacta, LatteArt, Nessus, Linux, AWS, Microsoft Azure, Risk Management Framework (RMF), Assessment and Authorization (A&A), Concepts of Operations (CONOPS)
1mo
Save
Mark Applied
Hide
Information Security Engineer
Herndon, Virginia, United States
OnsiteFull Time
Exostar
Exostar: Cloud-based collaboration software provider helping aerospace, defense, healthcare, life sciences, and financial-services organizations collaborate securely and compliantly.
5+ YOE5+ years securing cloud architectures and implementing technical controls across cloud, identity, PKI, and application environments; experience with audits (SOC 2, ISO 27001), DevSecOps, and working with engineering teams.
Jira, Confluence, Active Directory, Entra ID/Azure AD, SAML, OIDC, MFA, PKI, TLS, VPN/IPSec, Java, APIs, OWASP SAMM, Microsoft Security Development Lifecycle, IBM Secure Engineering Framework, SOC 2, ISO/IEC 27001, CMMC, DLP, HIPS, HIDS
3mo
Save
Mark Applied
Hide
Information Security Engineer
Arlington or Sterling
OnsiteFull Time
Nightwing
Nightwing: Advanced cyber, intelligence, and systems integration services for national security.
5+ YOEU.S. Citizenship; TS/SCI clearance; 5+ years info security; AWS security; SIEM; FedRAMP/NIST; cloud security; strong network and vulnerability know-how.
AWS EC2, AWS S3, AWS VPC, CloudTrail, CloudWatch, AWS Security Hub, Nmap, Nessus, Splunk, Linux/Unix, STIG, ATO, SOC, Vulnerability management, IAM, DevSecOps
2mo
Save
Mark Applied
Hide
Senior Information Systems Security Engineer
Washington, District of Columbia, United States
$142k-$236k/yr OnsiteFull Time
ManTech International
ManTech International: Advancing the future of defense through innovative technology.
7+ YOETS/SCI cleared candidate with 7+–10+ years information systems security experience, expertise in accreditation/A&A/BOE, secure architecture design, and familiarity with Tenable Nessus, IBM Guardium, HP WebInspect, and NMAP.
Tenable Nessus, Security Center, IBM Guardium, HP WebInspect, Network Mapper (NMAP), Cross Domain Solutions (CDS)
3d
Save
Mark Applied
Hide
Information Security Engineer
McLean, Virginia, United States
OnsiteFull Time
Appian
AppianNasdaq: APPN: Provider of an AI-powered enterprise process automation platform.
Bachelor’s degree in a related STEM field, cybersecurity engineering or threat analysis experience, Java, Python, or C/C++ scripting, and knowledge of TCP/IP, DNS, and DHCP.
Java, Python, C, C++, TCP/IP, DNS, DHCP, Windows, Linux, Unix, SaaS, PaaS, IaaS, Salesforce, ServiceNow, Appian University
4d
Save
Mark Applied
Hide
Information Systems Security Engineer (ISSE)
Fort Meade, Maryland, United States
$110k-$130k/yr OnsiteFull Time
Soliel
Soliel: Woman-owned IT engineering firm delivering cloud, software, cybersecurity, and mission-support services to federal and private-sector customers.
7+ YOERequires 7+ years of IT, systems engineering, information assurance, or cybersecurity experience, including 4+ years in cybersecurity engineering, RMF, or A&A; Security+ CE or higher; U.S. citizenship; active Top Secret clearance.
STIG, IAVA, ACAS/Nessus, Risk Management Framework (RMF), Assessment & Authorization (A&A), POA&M, eMASS, Cisco, Juniper, Palo Alto Networks, F5, Windows Server, Red Hat Enterprise Linux (RHEL), VMware, Active Directory
1mo
Save
Mark Applied
Hide
Information Systems Security Engineer (ISSE)
Herndon, Virginia, United States
$135k-$216k/yr OnsiteFull Time
Peraton
Peraton: Provider of mission-critical national security technologies and services.
10+ YOELead security engineering for complex information systems, support RMF A&A, DISA STIG compliance, SIEM log analysis, vulnerability assessment, and work in SCIF with TS/SCI clearance.
Splunk, ACAS, DISA STIGs, STIG Viewer, Xacta, AWS, Google Cloud, Cloudtrail, Cloudwatch, Openshift, Antible, Linux
1mo
Save
Mark Applied
Hide
Information Systems Security Engineer
Vienna, Virginia, United States
$105k-$115k/yr OnsiteFull Time
Data Intelligence
Data Intelligence: Private U.S. government contractor providing systems engineering, software development, cybersecurity, and logistics support to federal clients.
3+ YOE3–5 years ISSE experience, Top Secret/SCI with CI Polygraph, knowledge of NIST/ISO 27001/CIS Controls, cloud security, RMF, secure SDLC, incident response, risk assessments, and systems security engineering.
NIST, ISO 27001, CIS Controls, Agile, DevSecOps, Cloud Platform, RMF, Cross Domain Solutions
2w
Save
Mark Applied
Hide
Information Systems Security Engineer
Herndon, Virginia, United States
OnsiteFull Time
Excelity
Excelity: Virginia-based IT firm serving the federal intelligence community through application development for mission applications.
9+ YOERequires TS/SCI with CI Poly, 9+ years of A&A and information assurance experience, RMF and Xacta expertise, control validation, security risk knowledge, and DoD 8140 baseline certification; degree or additional experience required.
XACTA, Risk Management Framework (RMF), ICD 503, CNSSI-1253, NIST 800-37, NIST 800-53, Xacta, Splunk, ACAS, Prisma, SonarQube, JFrog X-Ray, GitLab Code Quality, DISA STIGs, STIG Viewer, AWS, Google Cloud, Red Hat, CentOS, Linux, DevSecOps, Containerized Systems
3d
Save
Mark Applied
Hide
Information Systems Security Engineer (ISSE)
Herndon, Virginia, United States
$180k-$205k/yr OnsiteFull Time
Markon Solutions
Markon Solutions: Government consulting firm specializing in management and technical services.
8+ YOEActive TS/SCI Full Scope Poly clearance, bachelor's degree in cybersecurity, computer science, or related field, and 8+ years in IT security, information assurance, or engineering; ISSO, ISSE, or ISSM experience required.
Greenlight Tool, FISMA, DCID 6/3, ICD 503, PMP
4d
Save
Mark Applied
Hide
Information Systems Security Engineer
Annapolis Junction, Maryland, United States
OnsiteFull Time
Base-2 Solutions
Base-2 Solutions: Federal technology provider supporting national security and intelligence missions.
Requires active Top Secret/SCI clearance with Full Scope Polygraph, security engineering experience with NIST, RMF, DoD and IC standards, security tools, cloud platforms, scripting, virtualization, and listed certifications.
NIST SP 800-53, RMF, ICD 503, CNSS, DoD STIGs, ACAS, Nessus, Tenable, Splunk, Wireshark, HBSS, McAfee ePO, Firewalls, IDS/IPS, SIEMs, VPNs, PKI, Multi-Factor Authentication, Linux, Unix, Windows, VMware, Hyper-V, AWS, Azure, Google Cloud, TLS/SSL, IPsec, Nmap, Metasploit, Burp Suite, Kali Linux, Python, PowerShell, Bash, SDLC, JIRA, Confluence, ServiceNow
1mo
Save
Mark Applied
Hide
Mid Security Information Assurance Engineer
Denver or Springfield or Sterling or St. Louis
$63k-$130k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provider of specialized IT and mission-critical government services.
4+ YOETS/SCI clearance required, 4+ years security engineering or information assurance, experience with NIST RMF, STIG hardening, ACAS/Nessus, IAT Level II (DoD 8570/8140), ability to work onsite at government facilities.
STIG, ACAS, Nessus, Kubernetes, AWS, C2S, CI/CD, Electronic Medical Records (EMR)
2w
Save
Mark Applied
Hide
Senior Information System Security Engineer
Chantilly, Virginia, United States
$140k-$160k/yr OnsiteFull Time
Redhorse Corporation
Redhorse Corporation: Federal government contractor delivering data science, cybersecurity, and digital transformation services to national security and civilian agencies.
8+ YOEBachelor's degree in a related field, 8+ years of information assurance and security engineering experience, active TS/SCI with full-scope polygraph, C&A experience, NIST SP 800-37 or related framework experience, SSP development, and vulnerability scanning.
NIST SP 800-37, AWS, Azure, Google Cloud, DataBricks, GitLab, Jira, DevSecOps, System Security Plans (SSP)
4d
Save
Mark Applied
Hide
Senior Information Security Engineer
Reston, Virginia, United States
RemoteFull Time
ASRC Federal Data Network Technologies
ASRC Federal Data Network Technologies: Providing technology, engineering, and infrastructure solutions for federal missions.
5+ YOEBachelor's degree and 5–7 years of cybersecurity, information assurance, RMF, or information system security experience. Requires CISSP and CGRC or CCSP certifications plus federal cybersecurity and NIST RMF experience.
NIST Risk Management Framework (RMF), Governance, Risk, and Compliance (GRC), NIST SP 800-37, NIST SP 800-53, FISMA, FIPS 199, DevSecOps
3w
Save
Mark Applied
Hide
Senior Information System Security Engineer
Washington, District of Columbia, United States
$180k-$230k/yr OnsiteFull Time
Modern Technology Solutions, Inc.
Modern Technology Solutions, Inc.: Engineering services and technology solutions for national security.
20+ YOE20+ years of DoD/IC information assurance experience with at least 2 years in SAP/SCI; active TS/SCI clearance and CI polygraph; expertise in DoD RMF, NIST SP 800-37/53, CNSSI 1253; platform experience and secure systems engineering.
DoD RMF, NIST SP 800-37, NIST SP 800-53, CNSSI 1253, JSIG, DoDI 8500.01, Microsoft Windows Server, Active Directory, Red Hat Enterprise Linux, MS Hyper-V, VMWare, ESx, Xen Hypervisors, Group Policy
2w
Save
Mark Applied
Hide
Information Systems Security Engineer
Bolling Air Force Base, District of Columbia, United States
OnsiteFull Time
Spear AI
Spear AI: Artificial Intelligence & Machine Learning for National Security
Active TS/SCI and DoW 8570/8140 IASAE Level II required; must obtain a polygraph. Requires hands-on NIST RMF, classified-system ATO, hardening, vulnerability management, and security engineering experience.
NIST RMF, ICD 503, CNSSI 1253, NIST SP 800-53, DISA STIG, ACAS/Nessus, SCAP, DevSecOps, AWS GovCloud, Azure Government, Cross Domain Solution (CDS), JWICS
4d
Save
Mark Applied
Hide
Information Systems Security Engineer (ISSE)
Sterling, Virginia, United States
$130k-$222k/yr OnsiteFull Time
BAE Systems
BAE SystemsLSE: BA.: Global defense, aerospace, and security technology.
7+ YOEBachelor’s degree and 7+ years relevant experience, including 5+ years in information assurance or systems security; DoD 8140 IAT II or IAM I certification; NIST RMF, Windows/Linux, Nessus, STIG, cloud security, and IC infrastructure experience.
NIST 800-171 Risk Management Framework (RMF), Windows, Linux, Nessus, AWS, Splunk, ServiceNow, SIEM