Senior Systems Cybersecurity Job at Astrion (Bedford)

Senior System Security Specialist

Assurit is currently seeking an experienced Senior System Security Specialist to...

Location

United States , Maryland

Salary:

Not provided

Assurit

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Information Security, Computer Science, Engineering, or a related discipline
or equivalent experience
Strong understanding of MLS concepts, including data classification, labeling, access control models, and trusted computing bases
Experience analyzing system architectures and identifying MLS-related risks and constraints
Strong communication skills with the ability to produce clear and accurate technical documentation
Proven ability to work across technical teams to solve complex security challenges
5+ years of specialized experience in: Defining computer security requirements for high-level or mission-critical applications
Evaluating approved security products for MLS applicability
Developing solutions to complex MLS problems

Job Responsibility

Analyze and define security requirements for Multilevel Security (MLS) architectures and applications
Evaluate approved security products and determine their applicability, strengths, and limitations in MLS environments
Develop technical solutions that address MLS challenges, including data separation, access control, labeling, policy enforcement, and system interoperability
Recommend enhancements to systems, architectures, or configurations based on MLS requirements and risk considerations
Review designs, requirements, and technical documentation to ensure alignment with MLS constraints and mission needs
Collaborate with engineering, security, and program teams to guide the secure development of high-level applications
Provide expert insights on MLS policies, system behaviors, and technical safeguards
Produce clear documentation, reports, and recommendations that support certification, accreditation, or audit activities
Support troubleshooting and problem resolution related to MLS constraints or system behavior

What we offer

medical and dental coverage
paid time off

Senior Systems Analyst

We are looking for an experienced Senior Systems Analyst to join our team in Bro...

Location

United States , Brockport

Salary:

Not provided

Robert Half

Expiration Date

Until further notice

Requirements

A minimum of 5 years of experience in systems analysis or a related IT role
Proficiency with Microsoft 365 Enterprise and Office 365 applications
Strong understanding of computer networking concepts, including TCP/IP, VLAN, VPN, and DNS
Experience with systems hardware and tools such as Microsoft Hyper-V, Zabbix, and Linux
Familiarity with cybersecurity tools and practices, including CrowdStrike
Ability to utilize scripting tools like PowerShell to enhance efficiency
Knowledge of cloud migration processes and strategies
Expertise in troubleshooting network servers and resolving technical issues effectively

Job Responsibility

Collaborate with users to identify their needs and translate them into system specifications, considering workflows, access requirements, and security protocols
Plan, install, configure, and test computer systems, servers, software, and both local and wide area networks
Establish robust security measures, including access controls, regular system monitoring, and disaster recovery planning to ensure compliance with industry standards and regulations
Develop and maintain comprehensive documentation for IT systems, including policies, procedures, and user guidelines
Work with vendors to evaluate and implement software updates, new features, and system improvements
Monitor budgets by preparing cost estimates and tracking IT-related expenses
Stay updated on emerging technologies and industry trends through ongoing development activities such as training and networking
Safeguard organizational data by implementing privacy protocols and cybersecurity best practices
Provide advanced technical support and serve as an escalation point for other IT team members
Manage and support the organization's Office 365 environment, ensuring optimal functionality and user satisfaction

What we offer

medical
vision
dental
life and disability insurance
401(k) plan
free online training

Fulltime

Senior Information System Security Officer

We are seeking a highly skilled and mission-driven Senior Information Systems Se...

Location

United States , Clarksburg

Salary:

Not provided

Innovative Management & Technology Services

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Cybersecurity, Information Systems, Computer Science, or a related field (or equivalent combination of education and experience)
8+ years of progressive experience in information systems security, with at least 3 years in a senior-level or lead ISSO role supporting federal or state government agencies
Strong working knowledge of: NIST 800-53, RMF, FISMA, OWASP Top 10, and SANS Institute standards
SAFe Agile environments and integrating security in Agile workflows
Networking, Linux/Windows system administration, and secure software development practices
Cloud platforms (AWS, Azure, GCP) and related security tools (e.g., AWS Security Hub, Azure Defender)
Experience in managing security documentation, participating in audits, and working with compliance frameworks
Relevant certifications such as CISSP, CISM, Security+, CEH, or equivalent
Active Top Secret clearance is required
U.S. Citizenship is required

Job Responsibility

Lead the implementation and maintenance of system security controls in compliance with federal cybersecurity frameworks, including NIST SP 800-53, RMF, OWASP, DISA STIGs, and Common Criteria
Oversee the full lifecycle of Authorization to Operate (ATO) processes, including preparation of System Security Plans (SSPs), Security Assessment Reports (SARs), POA&Ms, and risk assessments
Serve as a senior security advisor and liaison to system owners, developers, DevOps engineers, and government stakeholders
Participate in technical reviews of system architecture and ensure secure design of virtualized and software-defined infrastructures
Support integration of security controls into CI/CD pipelines using DevSecOps principles and tools (e.g., Jenkins, GitLab CI, SonarQube, Snyk)
Provide security engineering support for modern cloud environments, including AWS, Azure, or Google Cloud Platform, and assess cloud-native security capabilities
Conduct vulnerability assessments, interpret scan results from tools like Tenable, Nessus, Splunk, or Qualys, and lead remediation efforts
Mentor junior ISSOs and analysts on security policies, best practices, and tool usage
Ensure continuous monitoring activities are aligned with organizational risk tolerance and compliance goals

What we offer

competitive compensation
excellent benefits including tuition reimbursement and employer-contributed 401K
referral bonuses

Fulltime

Senior System Security and Information Assurance Engineer

The Senior PAM Engineer will play a critical role within Line of Effort 2, respo...

Location

United States , Tampa

Salary:

Not provided

Barbaricum

Expiration Date

Until further notice

Requirements

Active DoD Top Secret clearance with SCI eligibility
Master’s degree (MA/MS) in Cybersecurity, Information Technology, Computer Science, Engineering, or related field
10+ years of professional experience in cybersecurity, systems engineering, or information assurance
Meets Cyber Engineer – Senior labor category requirements, including independent execution of all functional duties and support to mission-critical program elements
DoD 8570 IAT Level II certification or higher (e.g., Security+ CE, CCNA Security)
Deep expertise in Privileged Access Management (PAM) architectures and Zero Standing Privilege concepts
Hands-on experience implementing Just-In-Time (JIT) access workflows
Experience integrating PAM solutions with Active Directory, SIEM platforms (Splunk), and Identity Governance (IGA) tools
Experience producing technical documentation to support RMF and ATO processes (LLDs, SSPs, SOPs)
Ability to lead or oversee the efforts of less senior staff as required by program needs

Job Responsibility

Lead the installation, configuration, and technical implementation of an enterprise Privileged Access Management (PAM) solution (Delinea-focused) across multiple network enclaves
Discover, inventory, and onboard privileged user, administrator, and service accounts into a secure credential vault
Design and enforce policies for Just-In-Time (JIT) access, session monitoring, and session recording to achieve zero standing privileges
Develop scripts and API-based integrations between the PAM solution, Splunk SIEM, and Identity Governance (IGA) platforms
Support RMF accreditation activities by developing Low-Level Design (LLD) documents, System Security Plans (SSPs), and Standard Operating Procedures (SOPs)
Support Authority to Operate (ATO) efforts through security control implementation and technical validation
Lead enterprise rollout of PAM policies from pilot groups to full operational enforcement
Collaborate with Zero Trust architects, identity teams, and cyber engineers to ensure alignment with enterprise security architecture

Senior Systems Engineer

Kyber Security is seeking enthusiastic and motivated individuals to deliver proj...

Location

United States , Fairfield

Salary:

Not provided

Kyber Security

Expiration Date

Until further notice

Requirements

Experience working in a consulting and preferably managed services environment
Designs and supports somewhat complex networks using current technologies
Managed switching
Advanced firewall and security requirements specifically with SonicWALL
Windows Server 2008-2019 installation, administration and troubleshooting
Microsoft Active Directory (Trusts, Group Policy, Login Scripts, etc…)
Enterprise NAS/DAS/SAN Installation/Configuration/Troubleshooting
Cisco\HP layer 3 routing and VLAN segmentation
Exchange\Office 365 installations, administration, migrations and troubleshooting
Experienced in all and certified in some of the technologies within their purview

Job Responsibility

Scope, present and deliver successful client facing network projects
Mentor more junior engineers in advanced networking concepts
Provide escalated support to our internal engineers for client issues by troubleshooting and applying knowledge via helpdesk calls, service board tickets and email requests
Record and document work completed and in-progress
Travel to and from clients work sites with personal vehicle
After hours Escalation support rotation
Other duties as assigned

Fulltime

Senior System Information Assurance and Security Engineer

Barbaricum is seeking a highly skilled System Information Assurance and Security...

Location

United States , Tampa

Salary:

Not provided

Barbaricum

Expiration Date

Until further notice

Requirements

Active DoD TS/SCI Clearance
Bachelor’s degree in Computer Science, Information Systems, Cybersecurity, or related field (Master’s preferred)
10+ years of experience in enterprise identity and access management architecture
Demonstrated expertise with Zero Trust frameworks and DoD ICAM standards
Hands-on experience with SAML, OAuth2.0, OpenID Connect, PKI, and certificate management
Experience with DoD enterprise solutions such as Radiant Logic, Okta, Ping Identity, SailPoint, ForgeRock, Microsoft Entra ID (Azure AD), or equivalent
Deep knowledge of Privileged Access Management and Identity Governance & Administration solutions
Strong understanding of DoD cybersecurity compliance frameworks (RMF, NIST SP 800-53, 800-207, 8140/8570)
IAM / DoD Certification IAT Level II (e.g., Security+ CE, SSCP, GSEC)

Job Responsibility

Execute engineering solutions for identity credential and access management for Zero Trust implementation across enterprise systems
Design and maintain an enterprise-wide identity and access management strategy aligned with DoD Zero Trust principles, NIST 800-207, and DoD ICAM Reference Design
Lead integration of federated identity, single sign-on (SSO), and multi-factor authentication (MFA) across cloud and on-prem environments
Develop and maintain policies, standards, and reference architectures to enforce least-privilege and attribute-based access control (ABAC)
Conduct the implementation of Privileged Access Management (PAM) and Identity Governance and Administration (IGA) solutions
Collaborate with cybersecurity, network, and cloud teams to align ICAM solutions with Zero Trust pillars (identity, device, network, application, and data)
Ensure compliance with DoD 8140/8570, RMF, FedRAMP, and other applicable frameworks
Lead proof-of-concepts (POCs) and technology evaluations for emerging identity

Senior Information System Security Officer

Come join our growing team and make a difference every day! AnaVation is seeking...

Location

United States , Washington

Salary:

Not provided

AnaVation

Expiration Date

Until further notice

Requirements

Bachelor’s degree in Cybersecurity, Information Technology, or a related field
Minimum of six (6) years of hands-on experience in cybersecurity and expert knowledge of Governance Risk and Compliance
At least three (3) years supporting and maintaining system authorizations for complex systems
Demonstrated expertise in the Risk Management Framework (RMF), NIST SP 800-53 Rev 5, and related federal cybersecurity policies
Extensive experience managing ATO/ATT processes, security control assessments, POA&M lifecycle, vulnerability management, and audit response
Strong leadership experience mentoring junior and mid-level ISSOs and interfacing with senior government leadership
Must possess at least two of the following active certifications: Certified Information Systems Security Professional (CISSP), Certified Information Security Manager (CISM), Certified Governance, Risk and Compliance (CGRC), Certified in Risk and Information Systems Control (CRISC), Information Systems Security Management Professional (ISSMP), Certified Information Systems Auditor (CISA), Certified Cloud Security Professional (CCSP), Certified Ethical Hacker (CEH), CompTIA Security+, Project Management Professional (PMP)
Proficiency in tools such as JCAM, Tenable Nessus, BigFix and Splunk
Ability to develop, review, and present high-level security documentation and briefings
Strong understanding of cloud platforms (IaaS, PaaS, SaaS), supply chain risk management, and incident response procedures

Job Responsibility

Support the maintenance of security documentation and support system ATO and ATT efforts
Conduct security control assessments and provide recommendations for remediation
Perform biweekly audit log and vulnerability scan reviews and track POA&M items
Collaborate with system owners and technical teams to manage risk and respond to incident
Support Ongoing Authorization (OA) and continuous monitoring activities
Prepare and brief senior leadership on system security posture and compliance metric
Ensure alignment with cybersecurity policies and NIST SP 800-53, 800-37, and 800-137

What we offer

Generous cost sharing for medical insurance for the employee and dependents
100% company paid dental insurance for employees and dependents
100% company paid long-term and short term disability insurance
100% company paid vision insurance for employees and dependents
401k plan with generous match and 100% immediate vesting
Competitive Pay
Generous paid leave and holiday package
Tuition and training reimbursement
Life and AD&D Insurance

Fulltime

Senior Cybersecurity Engineer

MAINSAIL Group has an exciting opportunity for a Senior Systems Cybersecurity ro...

Location

United States , Hanscom AFB, Bedford, MA

Salary:

Not provided

MAINSAIL Group

Expiration Date

Until further notice

Requirements

Must be a U.S. Citizen
DoD 8570.01 MMGT512 compliant certification
Experience with the Risk Management Framework (RMF)
Baseline Certifications: CISSP
BA/BS Degree, and 15 years of Cyber-Security experience and 5 years DoD experience or
MA/MS Degree and 12-year experience, 5 years in DoD or
20 years of directly related experience with proper certifications of which 8 years are in DoD
Active Secret Security Clearance

Job Responsibility

Support the system/application authorization and accreditation (A&A) effort for weapon systems and PIT Systems
Recommend policies and procedures to ensure the reliability of and accessibility to information systems and to prevent and defend against unauthorized access to systems, networks, and data
Develop, execute, and track the performance of security measures to protect information and network infrastructure and computer systems
Review and assess architectures and recommend cybersecurity strategies to developmental and legacy system designs
Assess threats to determine impact and recommend corrective actions to program managers to reduce risk
Translate program/system requirements into technical requirements and architectures needed to meet program objectives
Life cycle development Promote awareness of security issues among management and ensuring sound security principles are reflected in programs’ visions and goals
Participate in systems design
Understanding of DevSecOps environments to check for security flaws and vulnerabilities during code review
Understanding of operating systems including Linux, Ubuntu, IoT systems, ZTA environments and Cloud development

Fulltime

Senior Systems Cybersecurity

Astrion

Location:
United States , Bedford

Category:
IT - Administration

Contract Type:
Employment contract

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:
April 24, 2026

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Astrion

Location:United States , Bedford

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Contract Type:Employment contract

Salary:

Job Description:

Job Responsibility:

Requirements:

Additional Information:

Job Posted:April 24, 2026

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Location:
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April 24, 2026