42 it security engineer jobs at 29 companies in Crofton, MD
4w
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IT Security Engineer
Arlington, Virginia, United States
$116k-$195k/yr OnsiteFull Time
5+ YOEBachelor's degree or equivalent experience, 5+ years IT security experience, hands-on with network and systems security, SIEM/IDS/IPS tools, cloud security (AWS/Microsoft Azure/GCP), containerization, and strong communication skills.
Splunk, ELK Stack, Snort, Suricata, SIEM, IDS/IPS, Docker, Kubernetes, AWS, Microsoft Azure, GCP, Terraform, Ansible
3w
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Senior IT Security Engineer
United States or Washington
$125k-$152k/yr HybridFull Time
5+ YOE5+ years in security engineering, 2+ years DevSecOps, hands-on with SIEM (Splunk), EDR, cloud security (AWS/GCP), scripting (Python/Bash), and vulnerability management.
AWS, GCP, Splunk, Python, Bash, Cisco
1mo
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Senior IT Security Engineer
Linthicum or Phoenix or Tampa or Denver or Cicero
$90k-$120k/yr OnsiteFull Time
7+ YOE7+ years IT security experience, CISSP required; expertise in networking, Windows and Linux administration, AWS/Azure, IaC (HCL/YAML/JSON), scripting (PowerShell, Python, Go, Shell), incident response, risk management, and security tooling.
firewalls, SIEM, PAM, ZTN, IdP, IAM, CSPM, DLP, Vulnerability/Exposure Management, CIEM, DevSecOps, SSDLC, AWS, Azure, HCL, YAML, JSON, PowerShell, Python, Go, Shell
2mo
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IT & Security Engineer Lead
New York City or Washington
$110k-$135k/yr OnsiteFull Time
5+ YOE5+ years IT/security experience in multi-site environments; HIPAA experience preferred; hands-on with endpoint management, identity/access, MDM, helpdesk, and vendor coordination; strong communication and organizational skills.
PioneerRx, MDM
1mo
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IT & Cyber Security Engineer
Washington or Virginia or Maryland
$126k-$157k/yr RemoteFull Time
OnTrac: Provides last-mile delivery services for e-commerce retailers.
8+ YOEBachelor's degree or equivalent, 8+ years cybersecurity/infosec/IT security experience, knowledge of compliance frameworks, penetration testing and security assessments, and experience implementing security policies and controls.
NIST, ISO 27001, HIPAA, PCI-DSS
1d
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IT Hardware Engineer
Chantilly or Colorado Springs
OnsiteFull Time
4+ YOERequires TS/SCI clearance, DOD 8140 certification at least Security+, 8–16+ years based on education, and 4+ years designing, integrating, validating, and implementing IT hardware and software solutions.
Virtual Desktop Infrastructure (VDI), ITIL, Security+, Blue/Green
3d
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IT SPECIALIST (Senior Security Engineer)
District of Columbia, District of Columbia, United States
$144k-$187k/yr OnsiteFull Time
Senior cybersecurity engineer with expertise in cloud security, Zero Trust, AI/ML, CI/CD/DevSecOps, and security engineering; must meet GS-14 specialized experience and complete USA Hire assessments.
AWS, AZURE, Google, Oracle, CI/CD, DevSecOps, Zero Trust, Artificial Intelligence, Machine Learning, SOC, ICAM
1d
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IT Hardware Engineer
Chantilly or Colorado Springs
$90k-$190k/yr OnsiteFull Time
4+ YOETop Secret/SCI clearance, DOD 8140 certification with Security+, qualifying degree and 8–16+ years' experience, plus 4+ years designing, integrating, validating, and implementing IT hardware and software.
Virtual Desktop Infrastructure (VDI), Information Technology Infrastructure Library (ITIL), Microsoft?
1mo
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IT Modernization Information Systems Security Engineer
Washington, District of Columbia, United States
OnsiteFull Time
12+ YOE12+ years cybersecurity/IT/systems engineering experience, active Top Secret/SCI with SAP experience, strong cloud security and systems engineering skills, proficiency with secure software tools, and excellent communication and analytical skills.
Java, Python, Ruby, C++, Linux, OPSWAT, OWASP ZAP, BurpSuite, Fortify, Tenable, Defender, SIEM, NMAP, Azure Defender, AWS Inspector, ACAS, Nessus
1mo
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IT Modernization Information Systems Security Engineer
Washington, District of Columbia, United States
OnsiteFull Time
12+ YOE12+ years cybersecurity or systems engineering experience, TS/SCI and DoD SAP access, cloud security expertise, strong analytical and communication skills, bachelor's degree required; security certifications preferred.
NIST SP 800-53, CNSSI 1253, Java, Python, Ruby, C++, Linux, OPSWAT, OWASP ZAP, BurpSuite, Fortify, Tenable, Defender, SIEM, NMAP, Azure Defender, AWS Inspector, ACAS, Nessus
2mo
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IT Systems Engineer
Hunt Valley, Maryland, United States
$105k-$189k/yr OnsiteFull Time
8+ YOEBachelor's degree and 8+ years IT experience; advanced technical certifications; on-call rotation; strong server, security, and infrastructure skills.
Active Directory, Backup software, Storage Area Network (SAN), Citrix Metaframe, Terminal Services, Security hardening, Database management systems
2d
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Senior IT Engineer
Leesburg, Virginia, United States
OnsiteFull Time
10+ YOEOversee and maintain company IT/IS including servers, networks, ERP, backups and security; 10+ years IT/IS experience; 2-year degree in CS, IT, Computer or Electrical Engineering; knowledge of CMMC; troubleshooting and hardware/software evaluation skills.
ERP, VOIP, Windows, Linux, CMMC
3w
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Principal IT Engineer
Arlington, Virginia, United States
$135k-$155k/yr OnsiteFull Time
3+ YOE3+ years corporate IT experience owning infrastructure, endpoints, networking, identity/access management, and security controls; bachelor's or equivalent; strong documentation, project management, and incident response skills.
Google Workspace, Microsoft 365, Okta, JumpCloud, Jamf, Intune, Jira, Confluence, CrowdStrike, SentinelOne
1mo
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IT Infrastructure Engineer
Washington, District of Columbia, United States
OnsiteFull Time
9+ YOEBachelor's in IT/CS, minimum 9 years infrastructure engineering experience, experience with networking/storage/security/data center operations, TS/SCI clearance (able to obtain CI Poly), strong analytical and communication skills.
1mo
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LEAD IT SYSTEMS ENGINEER - PUB SEC
Herndon or Maryland or Virginia or Washington
$145k-$194k/yr HybridFull Time
6+ YOETS/SCI clearance required. Expertise in L2/L3 protocols (BGP, IS-IS, OSPF, MPLS), IPv4/IPv6, security protocols, testing and documentation; CCNA or JNCIA required; CCNP/JNCIP preferred; bachelor's degree plus 6+ years enterprise network design (or 12 years experience).
BGP, MP-BGP, IS-IS, MPLS, RSVP, LDP, OSPF, Multicast, IPv4, IPv6, MBFD, 802.1Q, VRRP, HSRP, TACACS+, RADIUS, FTP, SFTP, TFTP, SSH, NTP, SNMP, 802.1x, IPSEC, MACSEC, SSL/TLS, COMSEC, Ethernet test sets, packet captures, protocol analyzers, MS Office, MS Visio
1mo
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IT Network Security Team Lead
Bethesda, Maryland, United States
$149k-$196k/yr HybridFull Time
General Dynamics Information TechnologyNYSE: GD: Provides mission-critical IT services to government and defense organizations.
10+ YOE10+ years IT/network security experience, Bachelors (or equivalent), CISSP (or obtain within 6 months), ability to obtain Secret clearance (ANACI), experience with Cisco/Fortinet/Juniper/Palo Alto, Nmap/Wireshark/tcpdump, and leadership of 3-5 engineers.
Cisco, Fortigate (Fortinet), Juniper, Palo Alto, Nmap, Wireshark, tcpdump, SIEM, SSL VPN, VLANs
1w
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IT Hardware Engineer
Washington, District of Columbia, United States
$135k-$145k/yr OnsiteFull Time
5+ YOEActive TS/SCI clearance,5+ years designing/deploying enterprise IT hardware,BS or equivalent experience,CompTIA Security+ CE,ability to support after-hours/on-call,knowledge of IT asset lifecycle,ITSM,and cybersecurity standards.
1mo
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IT Network Security Team Lead
Bethesda, Maryland, United States
$149k-$196k/yr HybridFull Time
10+ YOE10+ years related experience; lead a team of network security engineers; expert with Cisco/Juniper/Palo Alto/Fortigate, Nmap, Wireshark, tcpdump; CISSP (or obtain in 6 months); ability to obtain Secret clearance and NACLC (T3).
Cisco, Fortigate, Juniper, Palo Alto, Nmap, Wireshark, tcpdump, SIEM, SSL VPN
1mo
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IT Systems Engineer, Client Platform Engineer
Boston or New York City or Washington or United States
$325k-$360k/yr HybridFull Time
8+ YOEBachelor's or equivalent, 8+ years building secure IT systems, experience managing large MDM fleets, macOS/Windows internals, Python/shell/PowerShell, GitOps/CI/CD, public cloud and device telemetry experience.
Python, Shell scripting, PowerShell, Swift, Go, MDM, Jamf, Intune, Workspace ONE, GitOps, CI/CD, Claude, macOS, Windows
1mo
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AI Enablement Engineer, IT
McLean or Mountain View or New York City or Tampa
$128k-$171k/yr OnsiteFull Time
4+ YOE4+ years building integrations or automations; strong API fluency; production experience with LLMs or agents; coding in Python, Go, JavaScript/TypeScript; observability, error handling, and security best practices.
Python, Go, JavaScript, TypeScript, REST, JSON, OAuth, webhooks, MCP, RAG, large language models, vector databases
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